Proteins

Proteins in hair care products can help strengthen and repair hair, but some people find them drying

Ingredients in this Category

Name	Status
calcium aspartate	ok
Casein	ok
Cicer Arietinum Seed Extract Chickpea seed extract	ok
Collagen	ok
Creatine	ok
Dipotassium aspartate	ok
Elastin	ok
Gelatin	ok
Hydrolyzed Collagen	ok
Hydrolyzed elastin	ok
Hydrolyzed keratin	ok
Hydrolyzed Oat Protein Acts like a hybrid between a protein and a film-forming humectant because it contains both proteins and carbohydrates	ok
Hydrolyzed Quinoa Hydrolyzed quinoa	ok
Hydrolyzed Sweet Almond Protein Acts like almost a hybrid between a protein and a film-forming humectant because it contains both proteins and carbohydrates	ok
Hydrolyzed Vegetable Protein PG-propyl Silanetriol A protein silicone hybrid that should be flexible (AKA not cause protein overload type conditions) and water soluble.	caution
Hydrolyzed Wheat Protein Acts like a hybrid between a film-forming humectant and a protein	ok
Keratin	ok
Linum Usitatissimum Seed Extract	ok
Magnesium aspartate	ok
Magnesium Glycinate	ok
Methionine	ok
Milk	ok
Peptide	ok
Phenylalanine	ok
Potassium aspartate	ok
Silk	ok
Sodium aspartate	ok
Sodium Glutamate	ok
Sodium Glycinate	ok
Unknown Protein	ok

Source	Notes	Status
Gesslein, B.W. (1999) Humectants in Personal Care Formulation Conditioning Agents for Hair and Skin	Found protein was less effective than traditional humectants (glycerin etc.) and performed especially badly in 79% relative humidity or below
Draelos, Z.D. (1999) Biology of the Hair and Skin Conditioning Agents for Hair and Skin	Hydrolyzed proteins (1000 to 10000 molecular weight) can diffuse into cortex through cuticle to strengthen hair, but washes out on cleansing.
Neudahl, G. (1999) Proteins for Conditioning Hair and Skin Conditioning Agents for Hair and Skin	Hydrolyzed proteins bound increases with hair damage. Help with cuticle damage and reducing brittleness

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