Hydrogenated Wheat Germ Oil Unsaponifiables: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 27, 2025
Share:
Inside this article:

We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Hydrogenated Wheat Germ Oil Unsaponifiables?

Hydrogenated Wheat Germ Oil Unsaponifiables is the refined, hydrogenated portion of wheat germ oil that does not turn into soap when mixed with an alkali. This unsaponifiable fraction is naturally rich in plant sterols, tocopherols (vitamin E compounds) and other protective lipids. By running the material through a controlled hydrogenation step, manufacturers make these lipids more stable so they resist oxidation and keep their benefits longer on the shelf and on the skin.

Wheat germ oil has been prized since the early 1900s for its nourishing feel, but its tendency to go rancid limited its use. Chemists discovered that isolating the unsaponifiable part and then hydrogenating it gave the same comforting emollience with much better stability. Today the ingredient is produced by extracting the unsaponifiable matter from Triticum Vulgare (wheat) germ oil, filtering out the fatty acids and glycerides, then gently adding hydrogen in the presence of a catalyst. The result is a waxy, odor-neutral material that blends easily into creams, lotions and hair products.

You will most often spot Hydrogenated Wheat Germ Oil Unsaponifiables in moisturizers, anti aging creams, nourishing masks, body lotions, lip balms, leave-in hair conditioners and rinse-off shampoos where it lends a soft silky finish.

Hydrogenated Wheat Germ Oil Unsaponifiables’s Cosmetic Benefits/Uses

In formulas this ingredient serves two main purposes that translate to noticeable beauty benefits:

  • Hair conditioning: Forms a light film on strands that smooths the cuticle, reduces static and improves softness without a heavy greasy feel. It can also help protect hair from breakage caused by brushing or heat styling
  • Skin conditioning: Adds emollience, strengthens the skin’s natural barrier and helps lock in moisture which can make the skin feel smoother, more supple and comfortable throughout the day

Who Can Use Hydrogenated Wheat Germ Oil Unsaponifiables

This ingredient suits most skin types, especially normal, dry, combination and mature because it gives steady moisture without feeling too heavy. People with very oily or acne-prone skin can usually use it as well, yet they may prefer lighter textures since any rich lipid has a small chance of feeling greasy.

Those with a wheat or gluten allergy rarely react because the allergenic proteins are stripped out during processing, but anyone with a known severe wheat sensitivity should check with a doctor before use.

Hydrogenated Wheat Germ Oil Unsaponifiables is extracted from plants so it is suitable for vegans and vegetarians.

Pregnant or breastfeeding users are not expected to face special risks when applying this ingredient topically. This is not medical advice and anyone expecting or nursing should review all personal care products with a qualified healthcare provider to stay on the safe side.

The ingredient does not increase photosensitivity and can be used both day and night without extra sun concerns.

Potential Side Effects/Adverse Reactions

Responses to topical Hydrogenated Wheat Germ Oil Unsaponifiables differ from person to person. The points below outline unlikely yet possible reactions when the ingredient is used correctly in a finished product.

  • Mild redness or stinging in very sensitive skin
  • Clogged pores or breakout flare in users who are extremely oil-prone
  • Contact dermatitis in individuals with a rare topical wheat allergy
  • Heavy feel or limp appearance when over-applied to fine hair

If any of these effects occur stop using the product and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 2 out of 5

Because the fatty acids most responsible for clogging pores are largely removed during the extraction of the unsaponifiable fraction, Hydrogenated Wheat Germ Oil Unsaponifiables is far less likely to build up inside pores than whole wheat germ oil. The hydrogenation step also makes the material less prone to oxidation, another factor that can aggravate breakouts. Still, it remains an oil-derived lipid so there is a small possibility of congestion in very reactive or severely oily skin.

Overall this ingredient is usually acceptable for acne-prone users provided the rest of the formula is lightweight and non-occlusive.

Formulators sometimes combine it with fast-absorbing esters or gel creams to keep the finished product feeling breathable.

Summary

Hydrogenated Wheat Germ Oil Unsaponifiables is prized for two main jobs: cushioning the skin with long-lasting moisture and smoothing the hair cuticle for softness and shine. It achieves both by depositing plant sterols and vitamin E-rich lipids that reinforce the skin barrier and coat hair shafts with a thin flexible film.

Although not as famous as shea butter or argan oil, this niche ingredient has a loyal following among formulators who need an oxidative-stable, plant-based emollient that will not overpower a formula with scent or greasiness.

Safety data and decades of cosmetic use show a low risk of irritation or allergy for most people. Still, everyone’s skin is unique so it is wise to perform a quick patch test when trying any new product that features Hydrogenated Wheat Germ Oil Unsaponifiables.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search