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LJ HairLab

Hydrolyzed Potato Protein

Protein CG-friendly

A plant protein from potatoes used for body and light strengthening.

How our checker rates it

ModeRatingWhy
Curly Girl OK No concerns for this mode.
Relaxed hair Good Protein — helps reinforce chemically weakened hair. Balance it with moisture.
Low porosity Caution Protein high in the list can leave low-porosity hair stiff. Use protein sparingly.
Protein-sensitive Avoid Protein — #1 on the list.

Ratings assume it is listed near the top of the label. After the first preservative or fragrance (likely 1% or less) most cautions soften.

What protein ingredients do

Hydrolyzed proteins, peptides and amino acids that temporarily patch gaps in the cuticle and add strength. Some hair turns stiff or brittle with too much.

Also listed as

  • potato protein
Check a whole product Paste the full ingredient list to see every flag at once.

Similar ingredients

Sources

Last data update:

  1. Cosmetic Ingredient Review (CIR). Ingredient safety assessments. Safety assessments for cosmetic ingredients cited on ingredient pages.

How we research and update pages: editorial policy. Spotted an error? Tell us.