Triheptanoin
Triglyceride of heptanoic acid. Light emollient that doesn't leave a greasy film; a substitute for mineral oils.
Evidence by route
Topical application
Light emollient triglyceride. Well tolerated, non-comedogenic at standard concentrations.
How to read tiers A–F
- CWeak evidence. In vitro data, open-label studies, or expert consensus
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Oily, Combination, Sensitive
About this ingredient
Triheptanoin is a synthetic triglyceride of heptanoic acid (C7). Liquid, odourless, with a light slippery texture. Used as a light emollient and carrier for fat-soluble actives. Mechanism. Short-chain ester emollient – fills intercorneocyte spaces, smooths skin, leaves a non-greasy finish. Dissolves fat-soluble UV filters and vitamins (E, A) well. Oxidatively stable. Where applied. Sunscreens (especially light lotions and sprays), primers, foundations, lightweight serums. Often replaces caprylic/capric triglyceride (C8/C10) in clean formulas. In Spain – in Mesoestetic, Sesderma, Sensilis lines. Evidence base. Functional ingredient with no specific skin RCTs. CIR confirmed safety in 2014. Safety. Non-sensitising, non-comedogenic. Well tolerated by sensitive skin. Pregnancy and lactation – safe. Usable in sunscreens and creams without restrictions.
Frequently asked questions
Is Triheptanoin safe during pregnancy?
Triheptanoin is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Triheptanoin for?
Triheptanoin suits: normal, dry, oily, combination, sensitive.
What is Triheptanoin and what does it do in cosmetics?
Triglyceride of heptanoic acid.
What's the INCI name for Triheptanoin?
The INCI name is Triheptanoin.
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