Ingredients: 2-Hydroxybenzoic Acid > 99.5% Recommended Concentration: 0.2-2% Salicylic acid is oil soluble, it should be dissolved in a solvent first before adding to your formula, suggested solvents for salicylic acid: Ethyl alcohol, Propylene glycol, Glycerin, Castor oil, Sodium lactate. To prevent recrystallization, sodium citrate can be added to the solution. To facilitate dissolution, you can first grind the salicylic acid crystals into fine powder, and then heat the mixed solution to 120-130? (48-54?). Salicylic acid works best at PH 3.5 - PH 4.0, you can adjust the pH using baking soda for higher or citric acid for lower PH levels. Storage: Keep in an airtight container away from heat and direct sunlight. Storage in a cool, dry place. NON-TOXIC, VEGAN, GLUTEN-FREE, NON-GMO. Cautions : Please wear gloves and a mask before use. Avoid contact with eyes, mouth, and other sensitive areas. In case of any allergies, conduct a patch test before use. Discontinue use if irritation occurs. Keep out of reach of children. Note: Salicylic acid is a potent substance, so please follow the above cautions carefully to avoid any adverse reactions or harm.Worry Free: Are you still worried about not knowing how to dissolve salicylic acid powder? Our product comes with very detailed instructions, and our experts are here for you if you have any questions. Double Sealed: Viktairy pure salicylic acid powder come in a double-sealed jar to preserve its potency and freshness, no worry about opening the bag and powder flying around. Original Ingredients: Viktairy salicylic acid for skin is cosmetic grade, can be used in DIY cleanser, face wash, body wash, toner, spray, gel, lotion, shampoo, mask, serum, soap and face peel. Multifunctional: Salicylic acid help manage several skin problems, improve skin texture and tone, and promote a more radiant complexion. Do not to apply on the skin which has a problem like broken, red, swollen, and irritated. BHA Exfoliant: Salicylic acid is a powerful exfoliant that can help to unclog pores, exfoliate the surface layer of dead skin, and improve the overall appearance of your skin. Natural & High Purity: Viktairy salicylic acid powder is ultra pure and natural, with no additives or fillers.