Wheat Protein

What Is Wheat Protein in Skincare?

Wheat protein in skincare is almost always hydrolyzed wheat protein: wheat proteins broken into small peptides and amino acids so they dissolve in water and can sit on the skin and hair as a thin, moisture-holding film. It is used in serums, eye gels, creams, and especially hair care for skin that feels smoother and firmer to the touch and hair that feels softer and looks fuller.

EWG Skin Deep score for Wheat Protein EWG Skin Deep rating for Wheat Protein

How finely the protein is cut matters. Smaller pieces are more water soluble and, as the safety section below explains, less likely to cause allergic reactions.

Quick Facts

INCI names Hydrolyzed Wheat Protein; Triticum Vulgare (Wheat) Protein; related: Hydrolyzed Wheat Gluten, Wheat Amino Acids
Common names Wheat protein, hydrolyzed wheat protein, wheat peptides
Source Wheat (Triticum aestivum or Triticum vulgare) grain protein, broken down with enzymes, acid, or alkali
Form Amber liquid or off-white powder
Solubility Water soluble
Typical usage rate 0.5% to 5% (supplier range for a liquid hydrolyzed wheat protein)
Molecular weight Cosmetic grades are often 1,000 to 1,500 Daltons; the Cosmetic Ingredient Review panel considers it safe at an average of 3,500 Daltons or less
Functions Skin conditioning, hair conditioning, film forming
Skin types Normal, dry, and mature skin; avoid if you have a wheat allergy

How Wheat Protein Works on the Skin and Hair

A light, firming film

As a hydrolyzed wheat protein solution dries, its peptides form a thin, flexible film on the skin. That film tightens slightly as it dries, which gives an immediate smoother, firmer feel, and it slows water loss from the surface. This is a temporary surface effect that lasts until you wash it off.

Moisture binding

Amino acids and small peptides attract and hold water. That is why wheat protein is used alongside glycerin and hyaluronic acid in hydrating serums and eye gels.

Hair conditioning

Wheat peptides bind to the hair's surface, especially where it is damaged or porous. Hair feels softer, detangles more easily, and looks fuller, which is why hydrolyzed wheat protein is common in shampoos, conditioners, and leave-ins.

What the research measured

In a 2008 study (Akhtar and Yazan, Pakistan Journal of Pharmaceutical Sciences), 11 volunteers applied two creams to the cheeks for four weeks: a multiple emulsion with vitamin C and a wheat protein product, and a plain base emulsion. Skin moisture rose with both creams. There were no significant differences between the two in sebum, pH, elasticity, melanin, or redness. In plain terms: wheat protein is a useful conditioning and film-forming ingredient, but this study did not show an elasticity change beyond the base cream.

A note on wheat ceramides

Wheat ceramides (wheat glucosylceramides) come from wheat lipids, not from wheat protein. They are a separate ingredient, so do not expect ceramide benefits from a hydrolyzed wheat protein. For ceramides themselves, see our ceramides glossary entry.

Safety: Wheat Allergy and Hydrolysis

Hydrolyzed wheat protein can cause allergic reactions in a small number of people, and these reactions can be immediate (hives) or delayed. In a 2012 case report (Barrientos and colleagues, Actas Dermo-Sifiliográficas), a 23-year-old man developed hives and eyelid swelling right after applying a face cream; he tested positive to hydrolyzed wheat protein at 1% on both patch and prick tests, while 10 control subjects tested negative.

The Cosmetic Ingredient Review Expert Panel (Burnett and colleagues, International Journal of Toxicology, 2018) reviewed the evidence and concluded that hydrolyzed wheat protein and hydrolyzed wheat gluten are safe in cosmetics when the peptides average 3,500 Daltons or less, and that peptides of 30 amino acids or fewer should not induce sensitization. If you formulate with it, ask your supplier for the molecular weight.

Is it gluten free? Some suppliers sell hydrolyzed wheat protein described as gluten free because the gluten fraction has been removed or fully broken down. Check the supplier's documentation. If you avoid gluten for medical reasons or have a wheat allergy, ask your doctor before using wheat-derived skincare, and choose from our gluten-free beauty products.

How to Use Wheat Protein in DIY Formulas

  • When to add. Add liquid hydrolyzed wheat protein to the water phase, as the supplier directs. If your supplier lists a heat limit, follow it.
  • How much. Use 5%, the top of the supplier range, in leave-on serums and eye gels for the strongest film. Hair rinses and shampoos work well across the whole range.
  • Compatibility. Pairs well with glycerin, hyaluronic acid, aloe, panthenol, and peptide serum boosters. Very high levels can feel slightly tacky; balance with a light emollient.
  • Preserve and store. Protein solutions feed microbes, so use a broad-spectrum preservative. Store the raw material away from light at or below 40°C (104°F) and do not freeze (supplier guidance).

Who Wheat Protein Suits

Wheat protein suits normal, dry, and mature skin that wants a smoother, firmer feel, and it is one of the most useful proteins for fine, flat, or porous hair. Skip it if you have a wheat allergy or avoid gluten for medical reasons, unless your doctor agrees. If you have sensitive skin, patch test on the inner arm for 24 hours and start at the lowest rate, 0.5%, then work up.

Frequently Asked Questions

What does hydrolyzed wheat protein do for skin?

It forms a thin, flexible film that holds moisture and gives skin an immediately smoother, firmer feel. The effect is on the surface and lasts until the product is washed off.

Is hydrolyzed wheat protein gluten free?

Some grades are sold as gluten free because the gluten has been removed or fully broken down, but not all are. Check the supplier's documentation, and ask your doctor before use if you avoid gluten for medical reasons or have a wheat allergy.

Can wheat protein cause an allergic reaction?

Yes, in a small number of people. Reactions such as hives have been reported, and the Cosmetic Ingredient Review panel ties safety to small peptide size, an average of 3,500 Daltons or less. Patch test before regular use.

Is wheat protein good for hair?

Yes. Hydrolyzed wheat protein binds to the hair's surface, so hair feels softer, detangles more easily, and looks fuller. It is a staple conditioning ingredient in shampoos and conditioners.

How much hydrolyzed wheat protein should I use?

The supplier range for liquid hydrolyzed wheat protein is 0.5% to 5%. Use 5% in leave-on serums for the strongest film, and start at 0.5% for sensitive skin.

Does wheat protein tighten skin?

It gives a temporary tightening feel as its film dries on the skin. In a four-week study with 11 volunteers, a wheat protein cream and a plain base cream both raised skin moisture, with no difference between them in measured elasticity.

Shop and Learn More

Hydrolyzed wheat protein is one of the conditioning ingredients in our Peptide Cocktail Anti-Aging Serum, alongside hydrolyzed soy protein and a blend of amino acid sequences, and wheat protein appears in our Eye Bright with Argireline. For an instant-tightening film former without wheat, see our Pepha Tight Serum Booster, made with a microalgae extract and pullulan. To compare another plant protein, see our soy protein glossary entry.

Sources

  • Burnett C, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD, Liebler DC, Marks JG, Shank RC, Slaga TJ, Snyder PW, Andersen FA, Heldreth B. Safety Assessment of Hydrolyzed Wheat Protein and Hydrolyzed Wheat Gluten as Used in Cosmetics. International Journal of Toxicology. 2018;37(1_suppl):55S-66S. doi:10.1177/1091581818776013. DOI
  • Akhtar N, Yazan Y. Formulation and in-vivo evaluation of a cosmetic multiple emulsion containing vitamin C and wheat protein. Pakistan Journal of Pharmaceutical Sciences. 2008;21(1):45-50. PubMed
  • Barrientos N, Vázquez S, Domínguez JD. Contact Urticaria Induced by Hydrolyzed Wheat Protein in Cosmetic Cream. Actas Dermo-Sifiliográficas. 2012;103(8):750-752. doi:10.1016/j.adengl.2012.09.013. DOI

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

About the Author
Written by Kari Thomas, cosmetic formulator and founder of Skin Perfection.