Seeking recommendations for effective oil-soluble ingredients to reduce melasma, freckles, and dark spots for use in an oil-based facial product. Spec...

What is the best way to dissolve or disperse Coal Tar Solution in a base like Vegetable Glycerin (VG) to prevent precipitation or settling?

I am formulating a waterproof makeup product using a 99% alcohol base with mica as the pigment. Can I use WetGuard as the polymer base? What kind of b...

When formulating with both liquid Ethylhexyl Salicylate and powder Butyl Methoxydibenzoylmethane, is it possible to mix them directly for dissolution,...

What are the differences in properties between low, medium, and high melting point soy wax? Which type is suitable for making regular scented candles ...