Professional hair care

Maria Nila Structure Repair Collection

If your hair is damaged from bleach, colour, heat styling, or chemical treatments, the Maria Nila Structure Repair collection is one of the most properly considered damage-repair ranges on the professional market. Built around plant-based proteins, algae extract and strengthening actives, this complete vegan range works to repair and rebuild weakened strands while restoring moisture and shine. Sulphate-free, paraben-free, 100% vegan, and gentle enough for daily use, Structure Repair turns visibly damaged hair into hair that looks, feels and behaves the way it did before the damage. Available as shampoo, conditioner, masque, leave-in treatment and styling oil — use individually or as a complete regime.

Why hair gets damaged (and why Structure Repair targets the cause)

Worth understanding properly. Damaged hair isn't just "dry hair" — it's structurally compromised. The hair shaft is held together by three types of bonds: hydrogen bonds (broken by water and heat), salt bonds (broken by pH changes), and the strongest bonds, the disulphide bonds (broken by chemical processes like bleaching, perming, and relaxing). When chemical or heat damage breaks these bonds, the hair shaft loses its strength, the cuticle lifts, moisture escapes, and the hair starts to look dull, feel rough, tangle constantly, and break easily.

Structure Repair tackles this from multiple angles in a single regime. The protein actives (which include hydrolysed wheat protein and plant-based amino acids) deposit into damaged areas of the hair shaft to rebuild lost structure. Algae extract delivers concentrated marine minerals and hydration. The cuticle is sealed, the strand is strengthened, and the moisture balance is restored. With consistent use, hair feels properly stronger, looks visibly healthier, and breaks significantly less during brushing and styling.

Why Maria Nila Structure Repair stands out from other repair ranges

The damage-repair haircare market is properly crowded — Olaplex, K18, Redken Acidic Bonding Concentrate, Wella Ultimate Repair, Kérastase Bond Repair, and many others all compete for the same buyers. Maria Nila Structure Repair stakes its claim on a different ingredient philosophy and brand position:

  • 100% vegan and cruelty-free — Leaping Bunny and PETA certified across the entire range. No animal-derived ingredients, no animal testing, ever. Genuinely the strongest vegan credentials of any major repair haircare range.
  • Plant-based active ingredients — proteins, algae extracts, and botanical strengthening agents, rather than the synthetic peptide and disulphide-bond chemistry that dominates competitors. For buyers who prioritise natural-leaning haircare, this matters.
  • Sulphate-free, paraben-free — modern gentle surfactants that don't strip colour-treated hair or irritate sensitive scalps.
  • Climate-positive certified company — Maria Nila offset more carbon than they produce. Recyclable packaging, renewable energy production, eco credentials that genuinely match the marketing.
  • Safe on colour-treated and keratin-treated hair — gentle enough not to fade colour or compromise keratin services, which is why so many salons use Structure Repair as their post-service home haircare recommendation.
  • Genuinely accessible price point — premium quality without the £30-per-bottle pricing of some prestige competitors.

If you've been using Olaplex or K18 and like the results but want a more eco-conscious or vegan-aligned alternative, Structure Repair is a properly good fit. If you've been using cheaper supermarket "repair" haircare and want a real upgrade without committing to luxury pricing, this is the next step up.

Who Maria Nila Structure Repair is for

Damage repair haircare works best when matched to the right level of damage. Structure Repair is designed for:

  • Bleached or highlighted hair showing visible damage — dryness, breakage, dull tone, rough texture
  • Heavily colour-treated hair after multiple lift-and-deposit services or persistent box dye use
  • Chemically processed hair — perms, relaxers, chemical straightening, Brazilian blow-dry treatments
  • Heat-damaged hair from daily straighteners, curling tongs or blow-drying without proper protection
  • Brittle hair that breaks during brushing or shows visible split ends throughout the lengths
  • Hair that's gone porous — absorbs water but doesn't hold conditioning treatments
  • Hair that feels rough or strawy at the ends, even after conditioning
  • Anyone wanting to maintain hair health alongside ongoing salon colour or keratin services

Shop the Maria Nila Structure Repair range

Structure Repair Shampoo

The first step in the regime. Sulphate-free formula gently cleanses while delivering the protein and algae actives directly to the hair shaft. Properly designed for daily use without stripping colour or further drying out damaged hair. Available in 350ml home size and 1000ml salon trade size.

Structure Repair Conditioner

The everyday companion to the shampoo. Continues the protein and active delivery, seals the cuticle, detangles fragile damaged hair without breaking it (genuinely critical for damaged hair — most "hair loss" from damage is actually breakage during brushing), and leaves the hair feeling soft and manageable. Available in 300ml home size and 1000ml salon trade size.

Structure Repair Masque

The deep treatment, used 1-2 times per week for accelerated repair. The masque concentrates the actives at higher levels than the daily conditioner, delivered with longer contact time (5-15 minutes per application). For severely damaged hair, the masque is genuinely where you'll see the biggest visible difference in the early weeks of use. Available in 250ml home size and 1000ml salon trade size.

Structure Repair Leave-In Spray

The day-to-day protection layer. A leave-in spray applied to damp hair before styling, providing heat protection up to 230°C, detangling support, and continuous repair throughout the day. If you use heat tools regularly, this is the product that prevents fresh damage while the rest of the regime repairs existing damage.

Structure Repair Oil / Hair Oil

The finishing oil for shine, frizz control, and split-end smoothing. Lightweight enough not to weigh damaged hair down, formulated to seal the cuticle and add the polished finish that damaged hair often loses. Apply to damp hair before styling or to dry hair as a finishing product.

How to use the Structure Repair range

  1. Wash with the Structure Repair Shampoo as your everyday cleanse — massage gently into wet hair and scalp, then rinse thoroughly.
  2. Follow with the Structure Repair Conditioner — work through the mid-lengths and ends, leave for 1-2 minutes, then rinse.
  3. Once or twice per week, replace the conditioner with the Structure Repair Masque — apply to damp hair, leave for 5-15 minutes (longer for more damaged hair), then rinse thoroughly.
  4. Apply the Structure Repair Leave-In Spray to damp hair before heat styling — this is your daily protection step.
  5. Finish with the Structure Repair Oil on the lengths and ends, either before blow-drying or on dry hair to seal frizz.

Visible improvements show up within 2-3 washes for most users, with significant strengthening and softening over 4-6 weeks of consistent use. Damage repair is cumulative — hair grows out, treatments build up benefits, and the rate of new damage slows when you're using proper protective products daily. Patience and consistency are what deliver the genuine results.

Frequently asked questions

How does Maria Nila Structure Repair compare to Olaplex?

Both are professional-grade damage repair systems but with different approaches. Olaplex uses patented bond-building chemistry (specifically targeting broken disulphide bonds) and is a recognised category leader for bleach-damaged hair. Maria Nila Structure Repair uses plant-based proteins, algae extract and botanical actives to rebuild structure and restore moisture. Many users find Structure Repair gentler, more nourishing day-to-day, and better aligned with vegan or eco-conscious values. The two ranges actually complement each other well — many stylists recommend an Olaplex No.3 or K18 weekly bond-rebuilding treatment alongside Structure Repair as the daily home-care regime.

Is Structure Repair safe for colour-treated hair?

Yes — properly safe and actually beneficial. The sulphate-free formulas don't strip salon colour, the gentle surfactants preserve tonal vibrancy, and the strengthening proteins help heat-damaged or bleach-damaged colour-treated hair recover. It's one of the reasons Maria Nila is so widely recommended by colourists for clients leaving the salon.

Is Structure Repair safe for keratin-treated hair?

Yes. The sulphate-free, paraben-free formulation won't break down or fade keratin treatments, which means you can use Structure Repair confidently if you've had a Brazilian blow-dry, keratin treatment, or any similar service. Always check with your stylist for specific aftercare guidance, but Structure Repair is genuinely one of the safer professional ranges for keratin-treated clients.

How long until I see results?

Most users notice softness, manageability and visible shine improvements within the first 2-3 washes. Significant strengthening, reduced breakage, and proper structural improvement build up over 4-6 weeks of consistent daily use. For severely damaged hair, results continue improving for 8-12 weeks as the hair grows out and the damage repairs progressively.

Can I use Structure Repair every day?

Yes — the shampoo and conditioner are designed for daily use, the leave-in spray for daily heat protection. The masque is the only product designed for less frequent use (1-2 times per week, replacing the conditioner on those wash days for deeper treatment). Daily use is what builds cumulative results.

Is Maria Nila Structure Repair sulphate-free and vegan?

Yes — completely. Sulphate-free, paraben-free, gluten-free, 100% vegan, and Leaping Bunny + PETA cruelty-free certified across the entire Structure Repair range and the wider Maria Nila brand. Worth flagging if you're choosing haircare based on ethical or ingredient credentials.

Will it weigh down my fine hair?

No — the formulations are properly lightweight, particularly compared to many older repair ranges that rely on heavy silicones for the "soft" feel. Structure Repair uses modern plant-derived conditioning agents that deliver softness without coating, which makes it genuinely safe for fine, thinning, or limp damaged hair. Just go gentle on the masque on fine hair (apply mid-lengths and ends only, avoid the roots).

Can men use Maria Nila Structure Repair?

Absolutely. Damage repair is gender-agnostic — bleached, coloured, heat-damaged or chemically processed hair benefits from the same actives regardless of who it belongs to. The fragrances across the range are unisex and properly considered.

What's the difference between Structure Repair and Maria Nila's other ranges?

Maria Nila have several concern-targeted ranges: Structure Repair (this collection) is for damage and chemical/heat compromise; True Soft is for everyday hydration and softening on healthy hair; Sheer Silver is for blonde and silver toning; Head & Hair Heal is for sensitive scalp and dandruff; Luminous Colour is for colour-treated hair retention; and Pure Volume is for fine and limp hair needing lift. Choose the range that matches your specific hair concern — or layer multiple ranges (e.g. Structure Repair shampoo with a Sheer Silver mask for damaged blonde hair).

Shop the full Maria Nila Structure Repair collection

Browse the complete Structure Repair range below in home and salon trade sizes. For wider Maria Nila products including their iconic Colour Refresh masks and other concern-based ranges, see the full Maria Nila brand collection. For broader damage-repair options across other brands, our hair masks and treatments collection covers everything from Olaplex and K18 to deep-conditioning treatments. Free UK delivery on all orders.

6 products

6 products

Maria Nila Structure Repair Collection

If your hair is damaged from bleach, colour, heat styling, or chemical treatments, the Maria Nila Structure Repair collection is one of the most properly considered damage-repair ranges on the professional market. Built around plant-based proteins, algae extract and strengthening actives, this complete vegan range works to repair and rebuild weakened strands while restoring moisture and shine. Sulphate-free, paraben-free, 100% vegan, and gentle enough for daily use, Structure Repair turns visibly damaged hair into hair that looks, feels and behaves the way it did before the damage. Available as shampoo, conditioner, masque, leave-in treatment and styling oil — use individually or as a complete regime.

Why hair gets damaged (and why Structure Repair targets the cause)

Worth understanding properly. Damaged hair isn't just "dry hair" — it's structurally compromised. The hair shaft is held together by three types of bonds: hydrogen bonds (broken by water and heat), salt bonds (broken by pH changes), and the strongest bonds, the disulphide bonds (broken by chemical processes like bleaching, perming, and relaxing). When chemical or heat damage breaks these bonds, the hair shaft loses its strength, the cuticle lifts, moisture escapes, and the hair starts to look dull, feel rough, tangle constantly, and break easily.

Structure Repair tackles this from multiple angles in a single regime. The protein actives (which include hydrolysed wheat protein and plant-based amino acids) deposit into damaged areas of the hair shaft to rebuild lost structure. Algae extract delivers concentrated marine minerals and hydration. The cuticle is sealed, the strand is strengthened, and the moisture balance is restored. With consistent use, hair feels properly stronger, looks visibly healthier, and breaks significantly less during brushing and styling.

Why Maria Nila Structure Repair stands out from other repair ranges

The damage-repair haircare market is properly crowded — Olaplex, K18, Redken Acidic Bonding Concentrate, Wella Ultimate Repair, Kérastase Bond Repair, and many others all compete for the same buyers. Maria Nila Structure Repair stakes its claim on a different ingredient philosophy and brand position:

  • 100% vegan and cruelty-free — Leaping Bunny and PETA certified across the entire range. No animal-derived ingredients, no animal testing, ever. Genuinely the strongest vegan credentials of any major repair haircare range.
  • Plant-based active ingredients — proteins, algae extracts, and botanical strengthening agents, rather than the synthetic peptide and disulphide-bond chemistry that dominates competitors. For buyers who prioritise natural-leaning haircare, this matters.
  • Sulphate-free, paraben-free — modern gentle surfactants that don't strip colour-treated hair or irritate sensitive scalps.
  • Climate-positive certified company — Maria Nila offset more carbon than they produce. Recyclable packaging, renewable energy production, eco credentials that genuinely match the marketing.
  • Safe on colour-treated and keratin-treated hair — gentle enough not to fade colour or compromise keratin services, which is why so many salons use Structure Repair as their post-service home haircare recommendation.
  • Genuinely accessible price point — premium quality without the £30-per-bottle pricing of some prestige competitors.

If you've been using Olaplex or K18 and like the results but want a more eco-conscious or vegan-aligned alternative, Structure Repair is a properly good fit. If you've been using cheaper supermarket "repair" haircare and want a real upgrade without committing to luxury pricing, this is the next step up.

Who Maria Nila Structure Repair is for

Damage repair haircare works best when matched to the right level of damage. Structure Repair is designed for:

  • Bleached or highlighted hair showing visible damage — dryness, breakage, dull tone, rough texture
  • Heavily colour-treated hair after multiple lift-and-deposit services or persistent box dye use
  • Chemically processed hair — perms, relaxers, chemical straightening, Brazilian blow-dry treatments
  • Heat-damaged hair from daily straighteners, curling tongs or blow-drying without proper protection
  • Brittle hair that breaks during brushing or shows visible split ends throughout the lengths
  • Hair that's gone porous — absorbs water but doesn't hold conditioning treatments
  • Hair that feels rough or strawy at the ends, even after conditioning
  • Anyone wanting to maintain hair health alongside ongoing salon colour or keratin services

Shop the Maria Nila Structure Repair range

Structure Repair Shampoo

The first step in the regime. Sulphate-free formula gently cleanses while delivering the protein and algae actives directly to the hair shaft. Properly designed for daily use without stripping colour or further drying out damaged hair. Available in 350ml home size and 1000ml salon trade size.

Structure Repair Conditioner

The everyday companion to the shampoo. Continues the protein and active delivery, seals the cuticle, detangles fragile damaged hair without breaking it (genuinely critical for damaged hair — most "hair loss" from damage is actually breakage during brushing), and leaves the hair feeling soft and manageable. Available in 300ml home size and 1000ml salon trade size.

Structure Repair Masque

The deep treatment, used 1-2 times per week for accelerated repair. The masque concentrates the actives at higher levels than the daily conditioner, delivered with longer contact time (5-15 minutes per application). For severely damaged hair, the masque is genuinely where you'll see the biggest visible difference in the early weeks of use. Available in 250ml home size and 1000ml salon trade size.

Structure Repair Leave-In Spray

The day-to-day protection layer. A leave-in spray applied to damp hair before styling, providing heat protection up to 230°C, detangling support, and continuous repair throughout the day. If you use heat tools regularly, this is the product that prevents fresh damage while the rest of the regime repairs existing damage.

Structure Repair Oil / Hair Oil

The finishing oil for shine, frizz control, and split-end smoothing. Lightweight enough not to weigh damaged hair down, formulated to seal the cuticle and add the polished finish that damaged hair often loses. Apply to damp hair before styling or to dry hair as a finishing product.

How to use the Structure Repair range

  1. Wash with the Structure Repair Shampoo as your everyday cleanse — massage gently into wet hair and scalp, then rinse thoroughly.
  2. Follow with the Structure Repair Conditioner — work through the mid-lengths and ends, leave for 1-2 minutes, then rinse.
  3. Once or twice per week, replace the conditioner with the Structure Repair Masque — apply to damp hair, leave for 5-15 minutes (longer for more damaged hair), then rinse thoroughly.
  4. Apply the Structure Repair Leave-In Spray to damp hair before heat styling — this is your daily protection step.
  5. Finish with the Structure Repair Oil on the lengths and ends, either before blow-drying or on dry hair to seal frizz.

Visible improvements show up within 2-3 washes for most users, with significant strengthening and softening over 4-6 weeks of consistent use. Damage repair is cumulative — hair grows out, treatments build up benefits, and the rate of new damage slows when you're using proper protective products daily. Patience and consistency are what deliver the genuine results.

Frequently asked questions

How does Maria Nila Structure Repair compare to Olaplex?

Both are professional-grade damage repair systems but with different approaches. Olaplex uses patented bond-building chemistry (specifically targeting broken disulphide bonds) and is a recognised category leader for bleach-damaged hair. Maria Nila Structure Repair uses plant-based proteins, algae extract and botanical actives to rebuild structure and restore moisture. Many users find Structure Repair gentler, more nourishing day-to-day, and better aligned with vegan or eco-conscious values. The two ranges actually complement each other well — many stylists recommend an Olaplex No.3 or K18 weekly bond-rebuilding treatment alongside Structure Repair as the daily home-care regime.

Is Structure Repair safe for colour-treated hair?

Yes — properly safe and actually beneficial. The sulphate-free formulas don't strip salon colour, the gentle surfactants preserve tonal vibrancy, and the strengthening proteins help heat-damaged or bleach-damaged colour-treated hair recover. It's one of the reasons Maria Nila is so widely recommended by colourists for clients leaving the salon.

Is Structure Repair safe for keratin-treated hair?

Yes. The sulphate-free, paraben-free formulation won't break down or fade keratin treatments, which means you can use Structure Repair confidently if you've had a Brazilian blow-dry, keratin treatment, or any similar service. Always check with your stylist for specific aftercare guidance, but Structure Repair is genuinely one of the safer professional ranges for keratin-treated clients.

How long until I see results?

Most users notice softness, manageability and visible shine improvements within the first 2-3 washes. Significant strengthening, reduced breakage, and proper structural improvement build up over 4-6 weeks of consistent daily use. For severely damaged hair, results continue improving for 8-12 weeks as the hair grows out and the damage repairs progressively.

Can I use Structure Repair every day?

Yes — the shampoo and conditioner are designed for daily use, the leave-in spray for daily heat protection. The masque is the only product designed for less frequent use (1-2 times per week, replacing the conditioner on those wash days for deeper treatment). Daily use is what builds cumulative results.

Is Maria Nila Structure Repair sulphate-free and vegan?

Yes — completely. Sulphate-free, paraben-free, gluten-free, 100% vegan, and Leaping Bunny + PETA cruelty-free certified across the entire Structure Repair range and the wider Maria Nila brand. Worth flagging if you're choosing haircare based on ethical or ingredient credentials.

Will it weigh down my fine hair?

No — the formulations are properly lightweight, particularly compared to many older repair ranges that rely on heavy silicones for the "soft" feel. Structure Repair uses modern plant-derived conditioning agents that deliver softness without coating, which makes it genuinely safe for fine, thinning, or limp damaged hair. Just go gentle on the masque on fine hair (apply mid-lengths and ends only, avoid the roots).

Can men use Maria Nila Structure Repair?

Absolutely. Damage repair is gender-agnostic — bleached, coloured, heat-damaged or chemically processed hair benefits from the same actives regardless of who it belongs to. The fragrances across the range are unisex and properly considered.

What's the difference between Structure Repair and Maria Nila's other ranges?

Maria Nila have several concern-targeted ranges: Structure Repair (this collection) is for damage and chemical/heat compromise; True Soft is for everyday hydration and softening on healthy hair; Sheer Silver is for blonde and silver toning; Head & Hair Heal is for sensitive scalp and dandruff; Luminous Colour is for colour-treated hair retention; and Pure Volume is for fine and limp hair needing lift. Choose the range that matches your specific hair concern — or layer multiple ranges (e.g. Structure Repair shampoo with a Sheer Silver mask for damaged blonde hair).

Shop the full Maria Nila Structure Repair collection

Browse the complete Structure Repair range below in home and salon trade sizes. For wider Maria Nila products including their iconic Colour Refresh masks and other concern-based ranges, see the full Maria Nila brand collection. For broader damage-repair options across other brands, our hair masks and treatments collection covers everything from Olaplex and K18 to deep-conditioning treatments. Free UK delivery on all orders.