What is Balsam of Peru?
Balsam of Peru (INCI: Myroxylon Pereirae) is a natural resin derived from the bark of the Myroxylon balsamum tree, native to Central America. It has a warm, vanilla-like scent and has been used for centuries in perfumery, topical medicines, and as a flavoring agent.
In cosmetics, it appears in perfumes, lip balms, hand creams, soaps, and flavored toothpastes. It is also used in topical medications for wound healing and as a fixative in fragrances. Despite being "natural", it is one of the most common fragrance allergens and is considered a marker allergen — a positive patch test to Balsam of Peru often indicates broader sensitivity to fragrances and related compounds.
Why does Balsam of Peru cause reactions?
Balsam of Peru causes reactions for several reasons:
- Strong sensitiser — It contains multiple allergenic compounds (cinnamates, benzoates, vanillin, and others). Sensitisation can develop after repeated exposure.
- Cross-reactivity — If you react to Balsam of Peru, you may also react to:
- Cinnamon and cinnamon oil
- Vanilla and vanillin
- Citrus peel oils
- Clove, balsam of Tolu
- Many synthetic fragrances that mimic these notes
- Marker for fragrance allergy — Dermatologists use Balsam of Peru in patch testing as a screen for fragrance sensitivity. A positive result suggests you should avoid fragrances and fragrance-related ingredients broadly.
- Lips and hands — Lip products and hand creams are common sources of exposure, leading to cheilitis (lip inflammation) or hand dermatitis.
In Indian products 🇮🇳
Balsam of Peru may appear in Indian products in several forms:
- Import brands — Perfumes, lipsticks, and hand creams from international brands
- Flavored toothpaste — Cinnamon or "spice" flavored toothpastes sometimes contain related compounds
- Ayurvedic and herbal preparations — Some traditional topical formulations use balsams
- Lip care products — Balms and glosses with "natural" or "botanical" fragrance
Indian consumers with fragrance sensitivity should look for "fragrance-free" or "unscented" products and avoid those listing "Myroxylon Pereirae", "Balsam of Peru", or "Peru Balsam" in the ingredients.
How to avoid Balsam of Peru
- Read labels — Look for "Myroxylon Pereirae", "Balsam of Peru", "Peru Balsam", or "Peruvian Balsam".
- Choose fragrance-free products — Opt for products explicitly labeled "fragrance-free" or "unscented" (not just "free from synthetic fragrance", which may still contain natural fragrance).
- Avoid flavored toothpaste — Use unflavored or minimally flavored toothpaste if lip sensitivity is an issue.
- Patch test — If you suspect fragrance allergy, ask your dermatologist for patch testing. A positive Balsam of Peru result will guide which ingredients to avoid.
- Check topical medications — Some wound dressings and healing ointments contain Balsam of Peru. Ask your pharmacist.
Safer alternatives
- Fragrance-free lip products — Plain petroleum jelly or fragrance-free balms
- Fragrance-free hand creams — Many brands offer unscented versions
- Unflavored toothpaste — Or formulations with minimal flavoring
- Fragrance-free skincare — Products formulated without fragrance or essential oils
When to see a doctor
If you have persistent lip or hand dermatitis, or if your eczema flares with perfumed products, see a dermatologist for patch testing. Confirming Balsam of Peru or fragrance allergy will help you build a safe, fragrance-free routine.