Ingredient review

Hydrogenated Tetradecenyl/Methylpentadecene

INCI: HYDROGENATED TETRADECENYL/METHYLPENTADECENE

A lightweight, non-greasy synthetic emollient that softens skin and improves product feel with low irritation potential.

beautyskincareemollient

In plain English

This is a man-made oil-like ingredient that spreads easily on the skin, making it feel smooth and soft without leaving a heavy or sticky residue. It's often used in moisturizers and serums to improve texture and help other ingredients glide on better.

Review score

Safety, usefulness, and evidence

4.0Good
4.0/ 5

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
How reviews are scored

Quick decision guide

Useful, but context matters

Hydrogenated Tetradecenyl/Methylpentadecene 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.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging Hydrogenated Tetradecenyl/Methylpentadecene.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. 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

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

A synthetic hydrocarbon emollient created by hydrogenating a blend of tetradecene and methylpentadecene, resulting in a stable, lightweight oil.

How it works

It forms a thin, breathable film on the skin's surface that reduces water loss and fills in rough patches, leaving skin feeling smooth and conditioned. Its low viscosity allows it to spread easily without clogging pores.

Pros

Lightweight feel

Unlike heavier oils, this emollient absorbs quickly without leaving a greasy film, making it ideal for daytime use or under makeup.

Low irritation risk

It has a very low potential to cause skin irritation or allergic reactions, suitable for sensitive skin types.

Cons and cautions

Synthetic origin

It is manufactured from petrochemical sources, which may be a concern for those seeking natural or plant-based skincare.

Limited research

Compared to well-studied natural oils, there is less published research on its long-term effects on skin health.

Best for

  • People with oily or combination skin seeking lightweight moisture
  • Anyone who prefers non-greasy, fast-absorbing products

Use caution if

  • Those strictly avoiding synthetic ingredients
  • Individuals with known sensitivity to hydrocarbon-based emollients (rare)

Usage tips

Apply after water-based serums to lock in hydration
Layer with a heavier cream at night if you have dry skin
Use in small amounts if you have very oily skin to avoid any residue

Safety summary

Considered safe for use in cosmetics at typical concentrations. Low irritation and comedogenic potential. No significant safety concerns reported in regulatory reviews.

Research notes

Limited peer-reviewed studies specifically on this ingredient, but it is structurally similar to other safe hydrocarbon emollients. Safety is supported by industry use and regulatory acceptance.

Common label clues

Typical concentration
1–10%
Regulatory status
Approved for use in cosmetics in the US, EU, and many other regions. No specific restrictions beyond general cosmetic safety requirements.
Common uses
Moisturizers, Serums, Sunscreens, Makeup
Environmental note
As a synthetic hydrocarbon, it is not biodegradable and is derived from non-renewable resources. However, it is used in small amounts in formulations.

Good to know

  • It is often used as a lighter alternative to mineral oil or petrolatum
  • The hydrogenation process makes it more stable and less likely to oxidize over time

Common questions

What is Hydrogenated Tetradecenyl/Methylpentadecene in beauty products?

This is a man-made oil-like ingredient that spreads easily on the skin, making it feel smooth and soft without leaving a heavy or sticky residue. It's often used in moisturizers and serums to improve texture and help other ingredients glide on better.

What does Hydrogenated Tetradecenyl/Methylpentadecene do in a beauty product?

It forms a thin, breathable film on the skin's surface that reduces water loss and fills in rough patches, leaving skin feeling smooth and conditioned. Its low viscosity allows it to spread easily without clogging pores.

Is Hydrogenated Tetradecenyl/Methylpentadecene safe for most people?

Considered safe for use in cosmetics at typical concentrations. Low irritation and comedogenic potential. No significant safety concerns reported in regulatory reviews.

Who should be careful with Hydrogenated Tetradecenyl/Methylpentadecene?

Those strictly avoiding synthetic ingredients Individuals with known sensitivity to hydrocarbon-based emollients (rare)

Research sources

Cosmetic Ingredient Review (CIR) Safety AssessmentOpenEuropean Chemicals Agency (ECHA) DatabaseOpenPersonal Care Products Council – Ingredient InfoOpen

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.