A person with frizz-free curls, styled with Curl Definer, poses confidently wearing gold stud earrings and pink eyeshadow. They look slightly upward with a soft expression against a neutral background.

A wavy line of Curl Definer conditioning styler is spread on a smooth, light beige surface, suggesting frizz-free curls.

A woman with curly hair is shown in two photos. The left (Before) shows her natural curls, while the right (After: Curl Definer*) reveals smooth, defined, frizz-free curls achieved with a conditioning styler.

A pink tube of Living Proof Curl Definer, 100 ml (3.4 fl oz), stands upright on a plain light background. The tubes text highlights it as a conditioning styler for frizz-free curls.

A tall, cylindrical, coral-colored bottle with a white pump dispenser. The back label of Curl Definer details its frizz-free curl conditioning formula, ingredients, product info in small text, and has a barcode at the bottom.

Curl Definer

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

Secondary benefits:

Defines and control curls from root to tip
Residue-free

*Curl Shampoo, Conditioner and Styler

Size

Travel 2 oz $18.00 $18 Full 6.4 oz

Full 6.4 oz $38.00 $38

Choose your frequency:

One-time purchase

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A conditioning styler that defines and conditions curls from root to tip for bouncy, shiny, and frizz-free curls.

How to Use

Apply Curl Definer to wet hair.
Apply Curl Defining Gel to wet hair.
Comb or brush through hair, and form curl groupings.

Ingredients

Water/Eau/Aqua, Myristyl Alcohol, Cetyl Alcohol, C13-15 Alkane, Propanediol, Propylene Glycol Dibenzoate, Brassica Alcohol, Brassicyl Valinate Esylate, Cetrimonium Chloride, Ricinoleamidopropyl Ethyldimonium Ethosulfate, Linoleamidopropyl 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, Polyacrylamidopropyltrimonium Chloride, Polyamide-8,VP/DMAPA Acrylates Copolymer, Ethylhexyl Stearate, Fragrance/Parfum, Glyceryl Behenate, Steareth-21, Polyglycerin-3, Methylthiopropylamido Acetyl Methionine, Glycerin, Methylpropanediol, Citric Acid, Limonene, Hexyl Cinnamal, Linalool, Citronellol, Citral, Benzyl Salicylate

Additional fragrance ingredients: Methyldihydrojasmonate, Dipropylene Glycol, Hexyl Cinnamal, Citrus Aurantium Dulcis (Orange) Peel Oil, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Linalyl Acetate, Tetramethyl Acetyloctahydronaphthalenes, Ethylene Brassylate, Ethyl Linalool, Pinene, Citronellol, Amyl Salicylate, Citrus Limon (Lemon) Peel Oil, Cyclamen Aldehyde, Isopropyl Myristate, Ionone, Linalool

Living Proof is dedicated to maintaining the accuracy of the ingredient lists on this website. However, because ingredients are subject to change, we cannot guarantee that these lists are complete, up-to-date and/or error-free. For an accurate listing of ingredients in each product, please refer to your product packaging.

PETA-CERTIFIED CRUELTY-FREE

COLOR SAFE

SAFE FOR CHEMICALLY TREATED HAIR

SILICONE-FREE

Curl Definer is a conditioning styler that defines your curls from root to tip. It adds the perfect level of conditioning combined with our Healthy Curl Complex to tame your curls, leaving them bouncy, shiny, and frizz-free without any residue.
Curl Definer was formulated for curly hair to define curls from root to tip.
Apply to wet hair root to tip. Evenly distribute throughout your hair. Scrunch to form curl groupings. Dry as usual.
Curl Definer is our midweight conditioning styler formulated for curly hair.
Curl Definer does not have traditional styling resins that would provide hold. This product is about controlling the hair to keep curls defined and frizz-free throughout the day.
Curl Enhancer was designed to enhance waves while Curl Definer was formulated to control and define curls. It depends on the hair type which delivers more curl definition.
Curl Definer was developed to be used on curly hair and suite that hair type’s needs. However, a coarser, wavy consumer or a finer, coily consumer may be satisfied using the Definer as well.
Yes, you can mix Curl Definer with the other Living Proof Curl stylers.
Every consumer is different in the amount of the product one needs. We always suggest starting with smaller amount of product and adding more as needed to ensure a desired result.
For best results, apply Curl Definer to wet hair.
Curl Definer was designed to be applied to wet hair and that is the suggested usage. However, all curl consumers are different with their own unique way of using products.
A conditioning styler is a product that provides both treatment and styling benefits. It offers the conditioning of a leave-in treatment and styling benefits of a styling product.