Hinoki Leaf Extract
Extract of Japanese cypress leaves (Hinoki). Essential oils have mild antibacterial effect in vitro; an aromatic K-beauty ingredient.
Evidence by route
Topical application
Conifer extract with essential oils. No topical RCTs. Allergy possible in people sensitive to conifers.
How to read tiers A–F
- DNo data, or very weak or conflicting data
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Moderate
- Pregnancy
- Safe
- Suitable for
- Normal, Oily, Combination
- Use with caution
- Sensitive
About this ingredient
Hinoki leaf extract (Chamaecyparis Obtusa Leaf Extract, Japanese cypress) is obtained from hinoki leaves – a tree culturally important in Japan (timber in traditional architecture, in Shinto shrines). Composition. Essential oils – alpha-pinene, myrcene, limonene, cadinenes. Also flavonoids, triterpenoids. Where applied. Japanese and Korean cosmetics with k-beauty positioning, scented creams and hair products (0.1-1%). Natural antimicrobial agent. Evidence base. In vitro – mild antibacterial activity against S. aureus and C. acnes (Yang 2007). Few clinical RCTs. Safety. CIR has not made a separate assessment. Cypress essential oils may contain allergens including limonene and pinene. Patch-test reactions possible in fragrance-allergic patients. Pregnancy – safe topically at cosmetic concentrations. Lactation – no data.
Frequently asked questions
Is Hinoki Leaf Extract safe during pregnancy?
Hinoki Leaf Extract is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Hinoki Leaf Extract for?
Hinoki Leaf Extract suits: normal, oily, combination. Use with caution in: sensitive.
What is Hinoki Leaf Extract and what does it do in cosmetics?
Extract of Japanese cypress leaves (Hinoki).
What's the INCI name for Hinoki Leaf Extract?
The INCI name is Chamaecyparis Obtusa Leaf Extract. It may also appear as: Hinoki Cypress Extract, Japanese Cypress Leaf Extract.
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