Hydrolyzed Jojoba Protein
INCI: Hydrolyzed Jojoba Esters
Cleaved jojoba seed protein for conditioning hair and skin films. Vegan and gluten-free.
Overview
Hydrolyzed jojoba protein is protein from the seeds of the jojoba plant (Simmondsia chinensis), cleaved into smaller peptides and amino acids by enzymes. Jojoba is unusual: the “oil” most people know is actually a liquid wax ester (and the source of jojoba oil and jojoba wax). The seed also contains a small fraction of protein, and that protein is what gets isolated and hydrolyzed for this ingredient.
It comes as a pale-yellow liquid (typically 5-15% active) or as a beige powder. It carries no scent in cosmetic-grade form.
The peptide profile is heavy on arginine and aspartic acid, with smaller amounts of lysine. That mix binds water especially well and pairs nicely with the broader jojoba family of ingredients (jojoba oil, jojoba wax, jojoba beads) for a consistent brand story.
Shelf life is 1-2 years stored cool and dark. The liquid form benefits from refrigeration after opening.
What it does in a formula
The peptides form a light film on skin and hair. On hair the film smooths the cuticle, reduces frizz, and improves combability — similar to other plant-protein hydrolysates. On skin the film gives a smooth finish and binds water as a mild humectant.
The marketing angle is the desert-plant resilience story (jojoba grows in extreme heat with little water) and the link to the jojoba oil narrative. Functionally it sits in the same band as oat, rice, and pea proteins.
A small bonus: hydrolyzed jojoba protein layers nicely with jojoba oil in a formula. The film and the emollient cooperate on hair without “fighting” each other.
How to use
Add to the water phase or to the cool-down (below 40 C). Heat above 70 C for extended periods can denature the peptides.
Usage rates by product type (liquid form, ~10% active):
- Hair conditioners and masks: 2-5%
- Leave-in conditioners: 2-5%
- Curl creams: 2-5%
- Face serums: 2-5%
- Face creams: 1-3%
- Body lotions: 1-3%
- Hand creams: 2-5%
For powder form, divide percentages by 5-7.
Best for / Worst for
Best for: haircare formulas already using jojoba oil or jojoba wax (brand consistency), desert-plant or arid-region storytelling, vegan formulas, curl and frizz products, leave-in conditioners.
Worst for: budget formulas (cheaper proteins do similar work), formulas where you want a strong visible result from one ingredient, premium silk-feel positioning.
Common pitfalls
Confusing with jojoba oil. Two completely different ingredients from the same plant. The oil is oil-soluble and goes in the oil phase. The protein is water-soluble. Read the INCI.
Adding too hot. Above 70 C the peptides denature. Add at cool-down.
Overpromising hair regrowth. Jojoba protein is conditioning. It will not regrow hair. Pair with real hair-cycle actives (caffeine, niacinamide, peptides) if that is your claim.
Microbial growth. Protein hydrolysates feed bacteria. Always preserve broad-spectrum.
Price tracking. Jojoba commodity prices fluctuate. The protein price moves with it.
Substitutes
- Hydrolyzed rice protein — vegan, cheaper, similar role.
- Hydrolyzed oat protein — vegan, more soothing, very gentle.
- Hydrolyzed pea protein — vegan, clean allergen profile.
- Hydrolyzed quinoa protein — vegan, premium, often used in haircare.
- Hydrolyzed wheat protein — contains gluten, similar conditioning.