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How are heavy metals and pesticide residues controlled in this wintersweet oil?

Heavy metals are tested per the relevant limit standards (e.g. Pb ≤1 ppm, Cd ≤0.1 ppm, As ≤0.5 ppm per GB 2762-2022) and reported per batch; incoming flowers receive routine pesticide screening, with multi-residue scans on request against GB 2763 series / EU EC 396/2005.

Safety Control

ParameterStandard referenceLimit (example)
Lead (Pb)GB 2762-2022≤1 ppm
Cadmium (Cd)GB 2762-2022≤0.1 ppm
Arsenic (As)GB 2762-2022≤0.5 ppm
PesticidesGB 2763 / EU EC 396/2005Per list
  • Raw-material control follows the GAP guidelines under ChP 2025 general chapter 2203
  • ICP-MS full metal panels and expanded pesticide lists arranged for export markets
  • Cosmetics use complies with the mandatory limits of the Safety and Technical Standards for Cosmetics (2015)

Results are attached to the batch COA on request.

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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.