Description
- Do not use 100% powder directly on skin: It must be diluted into a carrier formulation.
- Patch test: Always perform a patch test with the finished product.
- Sun protection: Daily sunscreen is mandatory, as salicylic acid increases sun sensitivity.
- Storage: Keep the powder in a cool, dry place, tightly sealed away from moisture.
- Solubility note: It does not dissolve well in water. Use suitable solvents like Propanediol, Ethanol, or PEG-40.

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