Redken Acidic Grow Full Conditioner 33.8 fl oz — lightweight densifying conditioner for fuller-looking hair

Redken Acidic Grow Full Conditioner is a lightweight, densifying conditioner designed to hydrate the scalp and give thin or flat hair a fuller, softer finish.

If you’re noticing limp roots, fine strands, or hair that lacks body, this conditioner is formulated to add instant conditioning while supporting the appearance of thicker hair. The formula contains a 7% Densifying Complex and is part of a four-step Acidic Grow Full System. It’s lightweight enough for daily use, safe on color-treated hair, and was evaluated in consumer testing that included GLP-1 users.

How does this conditioner help hair feel fuller without weighing it down?

The conditioner uses a targeted lightweight base and a concentrated densifying blend to add softness and lift without residue. It restores moisture balance at the scalp level so strands can appear thicker from root to tip while remaining bouncy.

• Contains 7% Densifying Complex to support thicker-looking strands
• Light, non-greasy texture that rinses clean
• Balances scalp hydration to reduce limpness at the roots

Will this product work if I’m using GLP-1 medication or seeing increased shedding?

The Acidic Grow Full Conditioner was included in consumer testing that involved GLP-1 users, so its performance has been observed in that context. It’s formulated to condition thin, thinning, or flat hair and to improve the look and feel of density when used as part of the full Acidic Grow system.

• Tested with GLP-1 users during system trials
• Designed for thin, thinning, or flat hair types
• Works best combined with the matching shampoo, serum, and spray

How should I use the Acidic Grow Full Conditioner for best results?

After shampooing with the Acidic Grow Full Shampoo, apply a modest amount of conditioner focusing on mid-lengths to ends and lightly at the scalp if needed. Leave on briefly, then rinse completely; repeat or pair with the Scalp & Hair Serum and Instant Densifying Spray for a full routine that targets density and scalp health.

• Use after Acidic Grow Full Shampoo for optimal results
• Apply primarily to mid-lengths and ends; rinse thoroughly
• Combine with serum and spray for a complete densifying system

Is this conditioner safe for color-treated hair and daily use?

Yes—formulated to be gentle on color-treated hair, the conditioner provides hydration and volumizing benefits without stripping color. Its lightweight profile makes it suitable for regular use to maintain softness and manageability while preserving vibrancy.

• Safe for color-treated hair when used as directed
• Light formula supports regular daily or frequent use
• Delivers instant conditioning and a fuller visual effect

Who is this for: Redken Acidic Grow Full Conditioner is intended for people with fine, flat, or thinning hair who want immediate conditioning and a visibly fuller appearance. It’s especially relevant for anyone following a densifying routine or using GLP-1 medication and seeking gentle, color-safe care as part of a complete system including the shampoo, scalp & hair serum, and instant densifying spray.

Ingredients

AQUA / WATER / EAU, CETEARYL ALCOHOL, STEARAMIDOPROPYL DIMETHYLAMINE, ISOPROPYL MYRISTATE, CETYL ESTERS, CAFFEINE, PARFUM / FRAGRANCE, TARTARIC ACID, HELIANTHUS ANNUUS SEED OIL / SUNFLOWER SEED OIL, CAPRYLYL GLYCOL, BENZOIC ACID, AZELAIC ACID, BIFIDA FERMENT LYSATE, SACCHAROMYCES/RICE FERMENT FILTRATE, LINALYL ACETATE, CARVONE, LIMONENE, SODIUM CHLORIDE, LINALOOL, CITRUS LIMON PEEL OIL, CITRUS AURANTIUM BERGAMIA PEEL OIL, CITRUS AURANTIUM PEEL OIL, CITRAL, PENTYLENE GLYCOL, PINENE, PHENOXYETHANOL, SODIUM BENZOATE