Alpha-Terpinene
An essential-oil component. It adds scent; some people may develop contact allergy.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Moderate
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Alpha-Terpinene is a natural terpene, a scent component of many essential oils (tea tree, citrus, conifers). INCI: Alpha-Terpinene. In a formula it is used as a fragrance with a fresh citrus-woody note. It is an aroma component, not a skincare active. It has no action on skin and is added for scent. Allergenicity. Alpha-Terpinene oxidizes readily in air, and the oxidation products are counted among potential contact allergens. A reaction is possible in sensitized people; most do not react. Pregnancy safety. At cosmetic concentrations systemic absorption is low and there is no evidence of harm with topical use. Irritation potential is low.
Frequently asked questions
Is Alpha-Terpinene safe during pregnancy?
Alpha-Terpinene is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Alpha-Terpinene for?
Alpha-Terpinene suits: normal, dry, combination, oily, sensitive.
What is Alpha-Terpinene and what does it do in cosmetics?
An essential-oil component.
What's the INCI name for Alpha-Terpinene?
The INCI name is Alpha-Terpinene.
See Alpha-Terpinene in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Similar role in the formula
Other functional ingredients
Alumina, Aluminum Hydroxide, Aluminum/Magnesium Hydroxide Stearate, Aluminum Sesquichlorohydrate, Citrus Medica Vulgaris Fruit Extract, Laureth-10, Poloxamer 188, Sodium Isethionate
Published: · updated: