Ingredient review
Hydrogenated Poly(C6-20 Olefin)
INCI: HYDROGENATED POLY(C6-20 OLEFIN)
A gentle, synthetic emollient that gives a smooth, silky feel without clogging pores or causing irritation.
In plain English
Hydrogenated Poly(C6-20 Olefin) is a man-made oil that feels light and silky on the skin. It is used in many skincare and makeup products to help them spread easily and leave a soft, non-greasy finish. Unlike some natural oils, it is very unlikely to clog pores or cause breakouts, making it a good choice for sensitive or acne-prone skin.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Hydrogenated Poly(C6-20 Olefin) is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Hydrogenated Poly(C6-20 Olefin).
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.
Score terms in plain English
Irritation risk
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
A synthetic hydrocarbon made by polymerizing and hydrogenating a blend of C6 to C20 olefins (types of hydrocarbons). The result is a stable, colorless, odorless oil that mimics the feel of natural emollients like squalane or mineral oil but with a lighter texture.
How it works
It sits on the surface of the skin, filling in tiny gaps between skin cells to create a smooth, even surface. This helps reduce water loss from the skin (transepidermal water loss, or TEWL) and gives a soft, velvety feel. It also helps other ingredients spread more evenly across the skin.
Pros
Lightweight and silky
It feels very light on the skin and leaves a smooth, velvety finish without any greasy residue, making it ideal for daytime use or under makeup.
Low irritation and comedogenic risk
It is unlikely to cause breakouts or irritation, so it is safe for sensitive and acne-prone skin types.
Cons and cautions
Synthetic origin
It is made from petroleum-derived hydrocarbons, which may not be preferred by those seeking natural or eco-friendly ingredients.
Limited research
Compared to some natural oils, there is less published research on its long-term effects on skin health, though it is considered safe by regulators.
Best for
- People with oily or acne-prone skin who want a lightweight moisturizer
- Anyone looking for a non-greasy, silky finish in their skincare or makeup
Use caution if
- Those who prefer only natural or plant-derived ingredients
Usage tips
Safety summary
Hydrogenated Poly(C6-20 Olefin) is considered safe for use in cosmetics. It has a very low potential for skin irritation or allergic reactions and is non-comedogenic. Regulatory bodies like the CIR have reviewed similar ingredients and found them safe at typical concentrations.
Research notes
Research on this specific ingredient is limited, but it belongs to a well-studied class of synthetic hydrocarbons used in cosmetics for decades. Studies on similar polyolefins show they are non-irritating, non-sensitizing, and safe for topical use.
Common label clues
- Typical concentration
- 1% to 20% depending on the product type
- Regulatory status
- Approved for use in cosmetics in the US, EU, and many other regions. The Cosmetic Ingredient Review (CIR) panel has deemed similar hydrogenated polyolefins safe as used in cosmetics.
- Common uses
- Moisturizers, Serums, Sunscreens, Makeup primers, Lip products
- Environmental note
- As a synthetic hydrocarbon, it is not biodegradable and is derived from non-renewable resources. However, it is not known to bioaccumulate or harm aquatic life at typical use levels.
Good to know
- This ingredient is often used as a replacement for silicone oils like dimethicone in 'silicone-free' formulations.
- It is stable and does not oxidize, so products containing it have a long shelf life.
Common questions
What is Hydrogenated Poly(C6-20 Olefin) in beauty products?
Hydrogenated Poly(C6-20 Olefin) is a man-made oil that feels light and silky on the skin. It is used in many skincare and makeup products to help them spread easily and leave a soft, non-greasy finish. Unlike some natural oils, it is very unlikely to clog pores or cause breakouts, making it a good choice for sensitive or acne-prone skin.
What does Hydrogenated Poly(C6-20 Olefin) do in a beauty product?
It sits on the surface of the skin, filling in tiny gaps between skin cells to create a smooth, even surface. This helps reduce water loss from the skin (transepidermal water loss, or TEWL) and gives a soft, velvety feel. It also helps other ingredients spread more evenly across the skin.
Is Hydrogenated Poly(C6-20 Olefin) safe for most people?
Hydrogenated Poly(C6-20 Olefin) is considered safe for use in cosmetics. It has a very low potential for skin irritation or allergic reactions and is non-comedogenic. Regulatory bodies like the CIR have reviewed similar ingredients and found them safe at typical concentrations.
Who should be careful with Hydrogenated Poly(C6-20 Olefin)?
Those who prefer only natural or plant-derived ingredients
Research sources
Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.