R+Co Cassette Curl Defining Conditioner, 8.5 oz — Lightweight Superseed Oil for Defined, Frizz-Controlled Curls

R+Co Cassette Curl Defining Conditioner is a lightweight, moisturizing conditioner formulated with a Superseed Oil Complex to enhance curl shape, reduce frizz, and add shine without weighing hair down.

Designed for natural and styled curls alike, Cassette targets hydration and definition in a daily-use formula. It balances moisture and movement so curls remain soft, bouncy, and touchable instead of stiff or heavy. The sulfate-free, vegan blend finishes with R+Co's signature Relative Paradise scent—Sicilian lemon, tangerine, and eucalyptus—making daily care feel elevated and fresh.

How does Cassette define curls without making them crunchy?

The formula uses a lightweight Superseed Oil Complex to nourish hair fibers while preserving natural elasticity. Rather than coating strands with heavy silicones, it provides slip and controlled hold so curls form and separate naturally.

• Lightweight conditioning agents that avoid buildup
• Superseed oils to soften and encourage curl pattern
• Slip that detangles without creating stiffness

Will this help control frizz in humid conditions?

Cassette helps tame frizz by smoothing the hair surface and locking in moisture balance, which reduces unwanted swell from humidity. It’s not an anti-humidity polymer treatment, but it improves day-to-day frizz management when used as part of a curl routine.

• Smoothing ingredients that minimize flyaways
• Moisture retention to prevent hair from puffing
• Works well with leave-in stylers for extra control

How should I use this conditioner for best curl results?

Apply Cassette to freshly cleansed hair, focusing on mid-lengths and ends where curls need the most hydration and definition. Leave on briefly to allow oils and humectants to penetrate, then rinse; follow with styling products if desired.

• Use after a gentle, sulfate-free shampoo
• Apply from mid-shaft to ends and comb through with fingers or a wide-tooth comb
• Rinse lightly for definition or leave a touch of product for added moisture

Is Cassette suitable for all curl types and clean-beauty preferences?

Yes—Cassette is formulated to complement a range of curl textures from loose waves to tight coils while aligning with clean-beauty standards. It’s sulfate-free, vegan, and cruelty-free, making it a versatile choice for conscious shoppers seeking definition without harsh ingredients.

• Works on wavy, curly, and coily hair types
• Sulfate-free base to protect curl integrity
• Vegan and cruelty-free formulation

Who this is for: R+Co Cassette Curl Defining Conditioner is ideal for anyone who wants softer, more defined curls with natural movement—people who prefer lightweight hydration over heavy creams, those looking to reduce frizz without losing bounce, and shoppers who choose sulfate-free, vegan haircare. It suits daily use and pairs well with leave-in creams or gels for tailored hold and finish.

Ingredients

Aqua/Water/Eau, Behentrimonium Chloride, Stearyl Alcohol, Hydrogenated Ethylhexyl Olivate, Cetyl Alcohol, Cetearyl Alcohol, Dimethicone, Isododecane, Propanediol, Cetyl Esters, Isopropyl Alcohol, Caprylyl Glycol, Stearamine Oxide, Jojoba Esters, Amodimethicone, Glycerin, Guar Hydroxypropyltrimonium Chloride, Ethylhexylglycerin, Butyrospermum Parkii (Shea) Butter, Hydrogenated Olive Oil Unsaponifiables, Polyquaternium-10, Linum Usitatissimum (Linseed) Seed Extract, Polysorbate 60, Hydroxyethylcellulose, Glyceryl Stearate, Panthenol, Salvia Hispanica Seed Extract, Sorbitol, Disodium EDTA, Dimethiconol, Hydrolyzed Pea Protein, PG-Hydroxyethylcellulose Cocodimonium Chloride, BHT, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Cetrimonium Chloride, Trideceth-15, Trideceth-3, C11-15 Pareth-7, Laureth-9, Laureth-23, Laureth-4, Quaternium-95, Trideceth-12, Citric Acid, Benzyl Alcohol, Acetic Acid, Aloe Barbadensis Leaf Juice, Caprylic Acid, Xylitol, Salicylic Acid, Oryza Sativa (Rice) Seed Protein, Phytic Acid, Alcohol, Oryza Sativa (Rice) Extract, Gluconolactone, Tocopherol, PPG-26- Buteth-26, PEG-40 Hydrogenated Castor Oil, Ethylhexyl Methoxycinnamate, Butyl Methoxydibenzoylmethane, Calcium Gluconate, Ethylhexyl Salicylate, Aminomethyl Propanol, Phenoxyethanol, Potassium Sorbate, Sodium Benzoate, Parfum/Fragrance, Limonene, Linalool