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Protein Treatments for Curly Hair.

Protein treatments rebuild and strengthen — the structural reset for damaged, breakage-prone, or chemically-treated curls.

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About this collection

Protein treatments for curly hair — keratin-based, hydrolysed protein, amino-acid, and bond-building formulations that strengthen damaged hair. Used weekly for damaged or chemically-processed curls, monthly for maintenance on healthy hair. Over-use causes protein overload (brittle, snapping strands), so timing matters.

Protein treatment types

Mild protein: rice water rinses, daily protein leave-ins. Use weekly or as needed. Medium protein: Curlsmith Bond Curl Rehab (maleic acid + cysteine), most weekly bond-builders. Use weekly on damaged hair, monthly maintenance. Heavy protein: Aphogee Two-Step (animal hydrolysed protein), liquid keratin. Use every 6-8 weeks maximum on severely damaged hair only.

Signs you need protein

Strand stretch test on damp hair: stretches significantly then snaps with no recoil = needs protein. Stretches and recoils = balanced. Snaps instantly with no stretch = needs moisture, NOT protein. Other signs: hair feels limp and stretchy, struggles to hold curl pattern, breaks easily during normal handling.

Signs of protein overload

Hair feels brittle, straw-like, snaps with light tension. Curl pattern looks frizzy and unhealthy. Hair won't absorb moisture. The fix: stop all protein for 4-6 weeks, focus on intense moisture treatments (Camille Rose Algae Renew, SheaMoisture Manuka Honey Mask). Hair re-balances within 6-8 weeks.

Related collections

Explore related collections: breakage products, rice water hair care, Curlsmith and curly hair treatments.

Frequently asked

Best UK protein treatment for curly hair?
Curlsmith Bond Curl Rehab Salve (£25) — curl-specific bond-builder. Weekly use under heat for damaged hair, monthly maintenance for healthy.
How do I know if my hair needs protein?
Strand stretch test. Stretches significantly then snaps with no recoil = need protein. Hair feels limp and won't hold curl = need protein.
Can protein treatments cause more breakage?
Yes if overused. Protein overload causes brittle hair that snaps. Use protein treatments weekly maximum on damaged hair, monthly on healthy, never daily.
Best UK rice water rinse?
Make at home (rinse rice, soak in water 24 hrs, strain) or buy Mielle Rice Water Treatment. Apply once monthly, leave 5-10 min, rinse with cool water.
How often should I do protein treatment?
Weekly for damaged or chemically-processed hair. Monthly for maintenance on healthy hair. Stop if hair starts feeling brittle (sign of protein overload).
Best UK protein treatment for type 4 hair?
Type 4 generally tolerates more protein than looser types. Curlsmith Bond Curl Rehab weekly + monthly Aphogee Two-Minute Reconstructor for intensive repair.
Will protein treatments work on virgin (uncoloured) hair?
Yes in maintenance mode (monthly). Less needed than damaged hair. Don't over-use — even virgin hair gets protein overload.
Can I do protein and moisture treatments same week?
Yes — alternate days. E.g., protein treatment Sunday, moisture mask Wednesday. Provides balanced repair.