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Bond-Builder / Amino Acid

Hydroxypropylgluconamide

also on labels as FiberHance BM Solution (component 1)

Patented glucose-derived bond builder (used in FiberHance) that penetrates deep into the hair cortex to form new hydrogen and ionic bonds within keratin.

Ingredients · as printedCurlsmith Bond Curl Rehab Salve

Water (Aqua / Eau), Cetearyl Alcohol, Salvia Hispanica Seed Extract, Creatine, Polyquaternium-10, Stearamidopropyl Dimethylamine, Prunus Amygdalus (Sweet Almond) Oil, Psidium Guajava Fruit Extract, Brassica Oleracea Acephala Leaf Extract, Lentinus Edodes (Shiitake Mushroom) Extract, Cucurbita Pepo (Pumpkin) Seed Extract, Leuconostoc/Radish Root Ferment Filtrate, Glycerin, Opuntia Tuna Fruit Extract, Ribes Nigrum (Black Currant) Fruit Extract, Behentrimonium Chloride, Isopropyl Alcohol, Ethylhexylglycerin, Tocopherol, Polyquaternium-37, Hydroxypropylgluconamide, Hydroxypropylammonium Gluconate, Tartaric Acid, Citric Acid, Phenoxyethanol, Benzyl Alcohol, Sodium Benzoate, Potassium Sorbate, Fragrance (Parfum), Limonene, Linalool, Geraniol, Anethole, Dimethyl Phenethyl Acetate, Geranyl Acetate, Linalyl Acetate, Citrus Aurantium Peel Oil, Pinene.

Hydroxypropylgluconamide is 21th, 21th of 38.Dotted words have their own page.
Good to know

Protein-free bond repair active; does not cause protein overload.

Hair types

Notes for different hair

All porosities—especially protein-sensitive or low-porosity hair needing damage repair without protein.

General patterns from our research, not rules. Hair of the same type can respond differently, so your own results count most.
Across labels

On 1 of the 19 labels we've read

Labels list ingredients from most to least, down to about 1%. Below that, the order is free.

Cleanse 0 · Condition 1 · Leave-in 0 · Style 0 · Seal 0

  1. 21of 38
    ConditionCurlsmith Bond Curl Rehab Salve

These are labels we've read by hand from brand sites and packaging, not a list of recommendations. We add more as we go.

Also bond repair

Other ingredients like it

Source: The Good Coil research · Ref ING-018Get this as data (JSON)How we write these