Redken Acidic Bonding Concentrate Balm – Split-End Repair Balm, 96% Seal, Heat Protection to 450°F

Redken Acidic Bonding Concentrate Balm is a lightweight leave-in bandage for split ends that visibly seals up to 96% of split ends and reduces breakage and roughness instantly.

This non-greasy, fast-absorbing balm targets the appearance and fragility of dry, damaged ends. Formulated with citric acid and Madecathenol, it works to rebond weakened points along the hair shaft while offering thermal protection, a pH-balanced profile, and compatibility with colored or chemically treated hair. Use it on damp or dry lengths to restore smoother, stronger-looking ends without weighing hair down.

How does this balm repair split ends and reduce breakage?

The formula contains ingredients designed to reconnect and reinforce broken bonds at the hair’s ends, delivering immediate visible improvement in split-end closure and structural resilience. Instrumental testing shows significant closure of split ends after application and measurable reduction in breakage.

• Citric acid helps smooth and seal open fibers along the ends.
• Madecathenol supports bond relinking that strengthens fragile areas.
• Lightweight emollients deliver fast absorption without grease.
• Repeated use helps maintain improved appearance and manageability.

Can I use it with heat styling and color-treated hair?

Yes — the balm provides heat protection up to 450°F and is pH-balanced for use on chemically processed and colored hair. It’s formulated without drying alcohol and artificial colorants to avoid additional stress on treated fiber.

• Heat protection shields ends during hot tools up to 450°F.
• Safe for color and chemical services due to balanced pH.
• Free of drying alcohol and added color to preserve hair health.

How do I apply the Acidic Bonding Concentrate Balm for best results?

Work a small amount through the mid-lengths and ends of damp or dry hair, concentrating on split or fragile areas. The balm absorbs quickly and won’t weigh fine hair down; repeat as needed or layer under styling products for extra smoothing and protection.

• Start with a pea-sized amount and increase for longer, thicker hair.
• Apply to towel-dried hair before blow-drying or to dry hair for touch-ups.
• Can be combined with other Redken styling products for hold or shine.

How soon will I see smoother, stronger-looking ends?

Visible smoothing is immediate, with instrumental results showing up to 12x smoother ends compared to non-conditioning references and reduced breakage after a single use. Continued application helps maintain sealed ends and improves manageability over time.

• Instant smoothing on contact for improved texture and softness.
• Measurable reduction in breakage after one application in testing.
• Ongoing use helps preserve the repaired appearance of ends.

Who is this for: Redken Acidic Bonding Concentrate Balm is designed for anyone with dry, split, or fragile ends who wants a lightweight, non-greasy leave-in treatment. It’s particularly useful for people who heat-style frequently, have color- or chemically treated hair, or seek an easy daily product to improve the look and resilience of their ends without heavy residue.

Ingredients

1400555RK5 - INGREDIENTS: AQUA / WATER / EAU • DIMETHICONE • CETEARYL ALCOHOL • AMODIMETHICONE • PARFUM / FRAGRANCE • PHENOXYETHANOL • DIMETHICONOL • POLYQUATERNIUM-37 • TRIDECETH-5 • STEARETH-20 • CETYL HYDROXYETHYLCELLULOSE • PROPYLENE GLYCOL DICAPRYLATE/DICAPRATE • GLYCERIN • CITRIC ACID • TRIDECETH-10 • PANTHENOL • SODIUM HYDROXIDE • TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES • CARVONE • PPG-1 TRIDECETH-6 • LIMONENE • CITRUS AURANTIUM PEEL OIL • CHLORHEXIDINE DIGLUCONATE • LINALOOL • CITRUS LIMON PEEL OIL • HEXYL CINNAMAL • ACRYLATES/STEARYL METHACRYLATE COPOLYMER • LINALYL ACETATE • ACETIC ACID • SORBITAN OLEATE • MADECASSOSIDE • HYDRATED SILICA • PINENE • CITRAL • SILICA DIMETHYL SILYLATE • DISODIUM PHOSPHATE • CITRUS AURANTIUM BERGAMIA PEEL OIL • SODIUM PHOSPHATE • ROSE KETONES • TERPINEOL • EDTA (F.I.L. N70067087/1).