FAQ Header

Do you test for heavy metals and pesticide residues?

Yes — finished batches are tested for heavy metals and pesticide residues, with third-party reports available.

Test ParameterTypical Limits
Lead (Pb)≤ 10 mg/kg (cosmetic) / ≤ 1 mg/kg (food-grade)
Arsenic (As)≤ 2 mg/kg (cosmetic) / ≤ 1 mg/kg (food-grade)
Mercury (Hg)≤ 1 mg/kg
Cadmium (Cd)≤ 5 mg/kg (cosmetic) / food-grade limits per country
PesticidesScreening against EU / China MRL lists
Growing fields are selected away from industrial areas, and petals are washed before distillation. Batch COA includes heavy metal results; pesticide screening reports can be issued per market.

Specify your target limits — we will confirm the testing scope and provide the relevant reports.

Relate Products

This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.

Logo

Guilin Four Seasons Sunshine

Founded in 2006, Guilin Four Seasons Sunshine F&F Co., Ltd. is a natural plant extract manufacturer and OEM/ODM partner in Guilin, China, combining proprietary Living-Fragrance physical extraction with supercritical fluid extraction to deliver pure, traceable botanical ingredients to global food, flavor, fragrance and personal care brands.