Browse Questions and Answers

How to formulate a natural, alcohol-free base for a reed diffuser that provides good scent diffusion, as common oils like Sweet Almond Oil were ineffective?

How to adjust a formula containing high percentages of liquid/gel components (like Isododecane, Silicone Film, Warp Cream Maker, Silicone Gel) and powders to create a solid...

How can I adjust a provided liquid/semi-liquid lip formula, which includes LipidSoft Moist, Isododecane, powders, Silicone Film, Warp Cream Maker, and Silicone Gel, to create a...

What stable orange and red colors are recommended for Cold Process (CP) soap, as previous colors I used changed in the acidic/alkaline environment?

I am making Cold Process (CP) soap and need recommendations for colorants, specifically orange and red, that are stable and do not change color or fade in the high pH...

What colorants are recommended for Cold Process (CP) soap to achieve stable red and orange colors without shifting in the high alkaline environment?

How should buffers be used to stabilize the pH of cosmetic products? Specifically, is it necessary to use both an acid and its salt (like Citric Acid and Sodium Citrate) or...

How to adjust and maintain pH stability in cosmetic formulations using buffer systems, including the necessity of acid/salt combinations, the need for buffering even at the...

When mixing a DIY serum focusing on Hyaluronic Acid, Apple Stem Cell, and 4 main whitening agents, what precautions should be taken? Specifically, I would like to know: 1. Will...

I plan to mix my own serum focusing on Hyaluron with Anti-aging from Apple Stem Cell and 4 main whitening ingredients. What precautions should I take? 1. Will the ingredients...

I am trying to make an oil gel using Sugar Gel, glycerin, water, and coconut oil. Following my procedure (mixing Sugar Gel, glycerin, water, heating to 70-80°C, then heating...

I am making a herbal massage oil by infusing herbs like Plai, Wan, and Turmeric in a base of sesame oil and cold-pressed coconut oil. The resulting oil is too heavy, viscous,...

I am making herbal massage oil for muscle aches and tight muscles using a base of sesame oil and cold-pressed coconut oil, infused with herbs like plai, wan, and turmeric....

Seeking recommendations for alternative base oils for herbal massage oil to replace sesame oil and cold-pressed coconut oil, aiming for a lighter, faster-absorbing, non-sticky...

I am seeking advice on making herbal massage oil for muscle aches and tension. Currently, I use sesame oil + cold-pressed coconut oil and boil herbs such as plai, wan, and...

Can Phosphatidylcholine be used to encapsulate plant extracts for food applications, and what is the appropriate usage percentage for thesis research?

For a thesis project, can Phosphatidylcholine be used to encapsulate plant extracts for food applications? If so, what is the recommended usage percentage for encapsulating...

When using Butyl Methoxydibenzoylmethane powder and Ethylhexyl Salicylate liquid in a formulation, can the powder be dissolved directly in the liquid, or is it necessary to...

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

Which type of black colorant is suitable for face and body cream or serum formulations to achieve a black color that does not stain the skin and is easy to wash off?