INCI Name
BETULA PENDULA TAR O...
Functions
3 Roles
Sustainability
5/10
Category
actives
What It Does
Betula Pendula Tar Oil (rectified birch tar oil) is obtained by the dry distillation of the bark of the silver birch tree (Betula pendula), followed by a rectification process that removes the harshest phenolic compounds to yield a purer, more skin-compatible oil with a characteristic smoky, leathery aroma. It has a long history of use in dermatological preparations, particularly in treatments for chronic skin conditions such as psoriasis, eczema, and seborrheic dermatitis, owing to its keratoplastic, antimicrobial, and antipruritic properties. Formulators choose it for its distinctive efficacy in scalp and skin therapeutic products, where its complex mixture of phenols, guaiacol, and cresols delivers targeted activity that synthetic alternatives often struggle to replicate.
Technical Properties
Ionic Charge
nonionic
Molecular charge type
Viscosity Effect
neutral
Impact on formula thickness
Foaming Ability
none
Lather generation
Ingredient Compatibility
Works Well With
Avoid Combining
Sustainability Profile
Sustainability Score
Biodegradability
readily biodegradable
Source
plant-derived
Feedstock
Birch bark (Betula pendula) subjected to destructive distillation and subsequent rectification to remove harsh phenolic fractions
Related Ingredients
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Quick Reference
- Full INCI Name
- BETULA PENDULA TAR OIL
- Common Name
- Birch tar oil, rectified
- Category
- actives