Ingredient Categories

These are long-chain fatty alcohols that help to soften and moisturize hair

Short-chain alcohols that evaporate quickly

Amino acids are used in haircare to repair and strengthen hair by rebuilding damaged protein structures and improving hair condition

These are large, complex molecules that form gel-like films to help hold the hair in place

Anionic surfactants known for strong cleansing and lather, commonly debated in the curly hair community

Surfactants made from fatty acids and alkali, typically more alkaline than shampoos

Like sulfates, these are anionic surfactants with a negative charge, good at removing oil and dirt from the hair

These surfactants are typically amphoteric or cationic and are considered gentler on the hair and scalp than anionic surfactants like sulfates

Water-soluble silicones in hair care products are easily washed out with regular shampoo

Non-water-soluble silicones cannot be easily washed out with gentle shampoos or cowash

Evaporative silicones are lightweight silicones that evaporate quickly, leaving no residue

Common preservatives that got a reputation due to a 2004 study, though most research finds them safe

These are other preservatives that help prevent bacteria and mold from growing in the product

These are other oils that don't fit into the other categories

Medium oils have a moderate ability to penetrate (soak into) the hair shaft

Light oils have a low ability to penetrate (soak into) the hair shaft

These oils and butters can penetrate (soak into) the hair shaft

Essential oils are not really oils as they are not fatty. They are mainly used for their fragrance and therapeutic properties

These humectants may perform poorly in low humidity conditions

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