
Enhanced Antioxidant Profile from Microbial Biotransformation
Conventional chaga and birch sap extracts carry inherent active components, yet controlled fermentation further enriches polyphenol and beta-glucan contents via microbial biotransformation. The ferment filtrate effectively scavenges reactive oxygen species triggered by UV exposure and environmental pollution, lowering intracellular oxidative stress. Unlike harsh plant extracts, this water-soluble filtrate features light colour and good formulation compatibility. It protects keratinocytes from free-radical damage, laying a solid foundation for daytime anti-aging and environmental-defense skincare formulas.
Anti-Inflammatory Soothing & Skin Barrier Restoration
This ferment filtrate exhibits notable soothing properties by down-regulating pro-inflammatory cytokines linked to skin irritation and UV stimulation. In-vitro and model tests indicate it reduces inflammatory cell aggregation while supporting lipid-matrix reconstruction within the stratum corneum. It helps ease visible redness and sensitivity without causing skin irritation, confirmed by safety patch tests. Suitable for sensitive, post-sun-exposed and barrier-damaged skin, it fits well into calming toners, repair serums and mild moisturizer formulations.


Multi-Target Anti-Photoaging with Cellular Protection
Beyond antioxidant defence, the ingredient supports skin cell health by mitigating UV-induced DNA damage and moderating skin-aging signal transmission. It inhibits key degrading enzymes that break down collagen and elastin, helping preserve dermal matrix integrity. Biological model studies show it alleviates UV-triggered tissue shrinkage, reflecting practical anti-photoaging potential. It does not function as UV filters, but works as a supportive active for sun-care, after-sun repair and anti-wrinkle products targeting light-damaged complexions.
Sustainable Fermentation Technology Opens New Market Opportunities
Adopting solvent-free submerged fermentation, chaga-birch sap ferment filtrate turns natural birch sap into high-value cosmetic raw material with eco-friendly production workflows. As consumers prioritize forest-origin, fermented clean-beauty ingredients, cosmetic brands keep launching new serums, creams and facial mist containing this filtrate. Improved fermentation processes stabilise batch-to-batch quality and expand application scenarios. Industry stakeholders expect continuous market growth as more clinical data validates its multi-faceted skin benefits across global beauty markets.


