Ingredient review
Octyldodecyl Myristate
INCI: Octyldodecyl Myristate
A lightweight, non-greasy emollient that softens skin and improves product texture with a low risk of irritation or clogged pores.
In plain English
Octyldodecyl Myristate is a synthetic oil-like ingredient that helps moisturize skin by forming a light, breathable film that reduces water loss. It feels silky and non-greasy, making it popular in lotions, creams, and makeup. It also helps other ingredients spread smoothly and gives products a nice, luxurious feel.
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
Octyldodecyl Myristate 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 Octyldodecyl Myristate.
- 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 ester made from myristic acid (a fatty acid found naturally in coconut oil and palm oil) and octyldodecanol (a branched-chain alcohol). It is a clear, colorless liquid with a light texture.
How it works
It sits on the skin's surface, filling in tiny gaps between skin cells to smooth and soften the skin. It also acts as a barrier that slows water evaporation, keeping skin hydrated longer. Its lightweight texture allows it to absorb quickly without leaving a heavy or sticky residue.
Pros
Lightweight feel
Unlike heavier oils, octyldodecyl myristate absorbs quickly and leaves no greasy residue, making it ideal for daytime use and oily skin types.
Low irritation risk
It has a very low irritation and comedogenic rating, so it is unlikely to cause breakouts or stinging, even for sensitive skin.
Cons and cautions
Sustainability concerns
Myristic acid is often sourced from palm oil, which can be associated with deforestation and habitat loss unless certified sustainable.
Limited humectant power
It is an emollient, not a humectant, so it does not actively draw water into the skin. It works best when paired with ingredients like glycerin or hyaluronic acid.
Best for
- People with normal to oily skin who want lightweight moisture
- Anyone looking for a non-comedogenic emollient in their moisturizer or makeup
Use caution if
- Individuals with a known allergy to myristate esters (extremely rare)
Usage tips
Safety summary
Octyldodecyl Myristate is considered safe for cosmetic use with a low risk of irritation, sensitization, or comedogenicity. It is well-tolerated by most skin types, including sensitive skin.
Research notes
Safety assessments by the Cosmetic Ingredient Review (CIR) panel have concluded that myristate esters are safe in current cosmetic practices. No significant toxicity or health concerns have been identified in published studies.
Common label clues
- Typical concentration
- 1% to 10%
- Regulatory status
- Approved for use in cosmetics by the FDA (as part of generally recognized safe ingredients) and the EU CosIng database. No concentration restrictions are specified for cosmetic use.
- Common uses
- Moisturizers, Serums, Makeup, Sunscreens
- Environmental note
- Myristic acid can be derived from coconut or palm oil. Choosing products with sustainably sourced palm oil or coconut-derived alternatives can reduce environmental impact.
Good to know
- It is often used in makeup primers and foundations for its silky, smoothing effect.
- The ingredient is considered safe for use in leave-on and rinse-off products by major regulatory bodies.
Common questions
What is Octyldodecyl Myristate in beauty products?
Octyldodecyl Myristate is a synthetic oil-like ingredient that helps moisturize skin by forming a light, breathable film that reduces water loss. It feels silky and non-greasy, making it popular in lotions, creams, and makeup. It also helps other ingredients spread smoothly and gives products a nice, luxurious feel.
What does Octyldodecyl Myristate do in a beauty product?
It sits on the skin's surface, filling in tiny gaps between skin cells to smooth and soften the skin. It also acts as a barrier that slows water evaporation, keeping skin hydrated longer. Its lightweight texture allows it to absorb quickly without leaving a heavy or sticky residue.
Is Octyldodecyl Myristate safe for most people?
Octyldodecyl Myristate is considered safe for cosmetic use with a low risk of irritation, sensitization, or comedogenicity. It is well-tolerated by most skin types, including sensitive skin.
Who should be careful with Octyldodecyl Myristate?
Individuals with a known allergy to myristate esters (extremely rare)
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.