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How should I evaluate the sample, and do you support stability testing?

Evaluate the sample against your aroma, pH and formula targets; we provide guidance and can run stability screening on your behalf.

Evaluation StepWhat to Check
SensoryAroma against target jasmine profile; green-tea freshness
Physico-chemicalpH vs. your spec; specific gravity
SolubilityMiscibility in your base formula
Challenge testMicrobial stability in your final formulation
Storage test1–3 month observation at room / accelerated temperature
We can perform accelerated stability screening (e.g., 40°C / 75% RH for 1–3 months) and report pH, appearance and microbial trend. For your own testing, we supply COA data as the baseline reference.

Describe your test protocol — or send us your base formula — and we will design the screening plan together.

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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.