Ingredient review
Di-C12-15 Alkyl Maleate
INCI: DI-C12-15 ALKYL MALEATE
A lightweight, non-greasy emollient that helps products spread smoothly and leaves skin feeling soft without clogging pores.
In plain English
Di-C12-15 Alkyl Maleate is a synthetic oil-like ingredient made from maleic acid and a blend of fatty alcohols. It is used in lotions, sunscreens, and makeup to give a silky, smooth feel without the heavy or sticky residue that some natural oils can leave. Think of it as a modern, lightweight moisturizer helper that improves how a product glides on your skin and how it feels after application.
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
Di-C12-15 Alkyl Maleate 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 Di-C12-15 Alkyl Maleate.
- 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 created by reacting maleic acid with a mixture of C12-15 fatty alcohols. It belongs to the alkyl maleate family and is designed to mimic the feel of natural oils while being more stable and less greasy.
How it works
It sits on the surface of the skin, filling in tiny gaps between skin cells to create a smooth, soft texture. It also reduces friction, helping other ingredients spread evenly and improving the overall sensory experience of a product.
Pros
Lightweight and non-greasy
Unlike heavier oils, this ingredient absorbs quickly and leaves a velvety finish, making it ideal for daytime moisturizers and sunscreens.
Improves product texture
It helps creams and lotions spread more evenly, reducing the amount of product you need and giving a more pleasant application experience.
Cons and cautions
Synthetic origin
Because it is made in a lab, it may not be suitable for consumers who prefer 100% natural or plant-based formulations.
Limited long-term data
While generally considered safe, there is less independent research on this specific ester compared to more common emollients like jojoba oil or squalane.
Best for
- People with oily or combination skin who want lightweight moisture
- Anyone looking for a non-sticky sunscreen or makeup base
Use caution if
- Those who strictly avoid synthetic ingredients in their skincare
Usage tips
Safety summary
Di-C12-15 Alkyl Maleate is considered safe for use in cosmetics at typical concentrations. It has low irritation and comedogenic potential, making it suitable for most skin types. However, as with any synthetic ingredient, individuals with very sensitive skin should patch-test first.
Research notes
Safety assessments by the Cosmetic Ingredient Review (CIR) panel have concluded that alkyl maleates are safe as used in cosmetics. Most data comes from industry-sponsored studies, and independent peer-reviewed research is limited.
Common label clues
- Typical concentration
- 1–10%
- Regulatory status
- Approved for use in cosmetics by the FDA and the European Commission. It is listed on the CosIng database with no known restrictions.
- Common uses
- Moisturizers, Sunscreens, Makeup foundations, Lip products
- Environmental note
- As a synthetic ester, it is not biodegradable in the same way as natural oils, but it is not known to be bioaccumulative or toxic to aquatic life at typical use levels.
Good to know
- It is often used as a replacement for silicones in 'silicone-free' formulations.
- The C12-15 alkyl chain length is chosen for optimal skin feel and stability.
Common questions
What is Di-C12-15 Alkyl Maleate in beauty products?
Di-C12-15 Alkyl Maleate is a synthetic oil-like ingredient made from maleic acid and a blend of fatty alcohols. It is used in lotions, sunscreens, and makeup to give a silky, smooth feel without the heavy or sticky residue that some natural oils can leave. Think of it as a modern, lightweight moisturizer helper that improves how a product glides on your skin and how it feels after application.
What does Di-C12-15 Alkyl Maleate do in a beauty product?
It sits on the surface of the skin, filling in tiny gaps between skin cells to create a smooth, soft texture. It also reduces friction, helping other ingredients spread evenly and improving the overall sensory experience of a product.
Is Di-C12-15 Alkyl Maleate safe for most people?
Di-C12-15 Alkyl Maleate is considered safe for use in cosmetics at typical concentrations. It has low irritation and comedogenic potential, making it suitable for most skin types. However, as with any synthetic ingredient, individuals with very sensitive skin should patch-test first.
Who should be careful with Di-C12-15 Alkyl Maleate?
Those who strictly avoid synthetic ingredients in their skincare
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.