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Living Proof

Curl Definer

Curl Definer

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Curls don't have to be complicated. Treat textured hair to a conditioning styler that defines and conditions curls from root to tip. It's powered by our Healthy Curl Complex for bouncy, shiny, frizz-free curls.

Key Benefits

  • Leaves curls stronger and more defined 
  • The Curl System* provides 90% frizz control 
  • Forms curl groupings that stay intact root to tip 
  • Improves the definition of your curls 
  • Provides the perfect level of conditioning to leave curls bouncy with natural movement 
  • Creates curls that look shiny, healthy and frizz-free 
  • Transforms curls to look visibly healthier over time 
  • Defines and control curls from root to tip 
  • Residue-free 
  • Silicone-free 
  • Sulfate-free
  • Paraben-free 
  • Phthalate-free 
  • Cruelty-free 
  • Safe for chemically treated hair
  • Color safe *Curl Shampoo, Conditioner and Styler



Benefits curl enhancing
Ingredient Preference phthalates free; paraben free; sulfate free

Healthy Curl Complex: Our patent-pending curl technology is a unique blend of biopolymer film formers and emollients that deliver natural, flexible definition while providing ultimate manageability & strength for healthy curls. Methiopeptide: A biomimetic source of Methionine, an amino acid known to contribute to hair strength and elasticity. Conditioning base: A perfectly balanced conditioning base containing Shea butter, amino acids, emollients and a cuticle sealer that deliver a healthy and conditioned curl. Curl Controlling Resin blend: Specifically formulated to control curls and eliminate frizz, creating bouncy and well defined ringlets.

Full Ingredients List

Water/Aqua/Eau, Myristyl Alcohol, Cetyl Alcohol, Propanediol, Octafluoropentyl Methacrylate, Propylene Glycol Dibenzoate, Brassica Alcohol, Brassicyl Valinate Esylate, Cetrimonium Chloride, Ricinoleamidopropyl Ethyldimonium Ethosulfate, Sodium Grapeseedamidopropyl Pg-Dimonium Chloride Phosphate, Jojoba Esters, Butyrospermum Parkii (Shea) Butter, Squalane, Helianthus Annuus (Sunflower) Seed Wax, Pca Ethyl Cocoyl Arginate, Behenyl/Stearyl Aminopropanediol Esters, Hydroxypropyl Methylcellulose, Chitosan, Hydroxyethylcellulose, Guar Hydroxypropyltrimonium Chloride, Polyamide-8, Vp/Dmapa Acrylates Copolymer, Ethylhexyl Stearate, C13-15 Alkane, Fragrance/Parfum, Glyceryl Behenate, Steareth-21, Polyglycerin-3, Methylthiopropylamido Acetyl Methionine, Acrylamidopropyltrimonium Chloride/Acrylamide Copolymer, Dimethylpabamidopropyl Laurdimonium Tosylate, Glycerin, Methylpropanediol, Tocopherol, Citric Acid, Sodium Hydroxide, Limonene, Hexyl Cinnamal, Linalool, Citronellol, Citral, Benzyl Salicylate.

Apply to wet hair root to tip. Evenly distribute throughout your hair. Scrunch to form curl groupings. Dry as usual

Apply to wet hair root to tip. Evenly distribute throughout your hair. Scrunch to form curl groupings. Dry as usual

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About the Brand

Born in the heart of biotech, in Cambridge, MA, Living Proof was founded by world-class biotech scientists and beauty experts with one simple ambition challenge conventional wisdom to solve your toughest beauty problems. Using technology originating from MIT, we invent and patent new molecules that have never been used in beauty before. With over 45 awards to date, our company continues to develop innovative solutions that change the way our hair behaves, revolutionizing the world of beauty.

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