Browse Questions and Answers

I would like to inquire about formulating shampoo for dogs and cats, specifically a formula containing silver nano. I understand that shampoo should ideally be slightly...

I have three ingredients with high antioxidant efficacy that I want to use as antioxidants and register with the Thai FDA. I would like to know if the FDA has specific...

I would like to know if a chosen colorant can be used in a lipstick formulation that contains coconut oil. What types of colorants are compatible with an oil/wax-based lipstick...

How can I modify an existing L'Oreal hair treatment by adding a specific list of ingredients (including cationic agents, silicones, keratins, humectants, etc.) using a process...

How to modify an existing hair treatment product by adding multiple ingredients using a specific heating and mixing method, including the potential use of Heat Plex, and what...

In my original formula, I used `Propolis Extract (30% Flavonoids)` at `0.8%`. If I want to achieve the same concentration, which product should I use as a replacement, and what...

I am mixing Ambroxan with alcohol. Is it necessary to add a separate fixative, and if so, what is the recommended usage percentage?

Can Shea Butter (Ultra Soft) be used on the lips, face, and body of a 2-3 year old child? What other natural butters are suitable for young children's skin?

How can the substance named "ThiaWhite" be dissolved directly?

I want to make a toner for moisture and oil control. Can I use fresh mint leaves or peppermint oil? Should I add Niacinamide (B3), and what other ingredients are recommended?...

Could you provide a formula recommendation for an underarm cream to control sweat and odor, specifically suggesting a suitable ready-made cream base and advising on which...

What is the correct method or solvent required to dissolve Minoxol™ (Pyrrolidinyl Diaminopyrimidine Oxide), as attempts to dissolve it in pure water or alcohol have been unsuccessful?

How can D&C Red 27 Color Changing Pigment (CI45410), which appears orange when dissolved in oil, be made to turn clear?

I have a formula for a serum aimed at promoting hair, eyebrow, and eyelash growth, containing ingredients like Long-Lash, Biotinyl-GHK, Pure-Biotin, Melatonin Forte, Urea,...

In fragrance formulation, is it necessary to pre-dilute fragrance components such as Iso E Super and Hedione in alcohol before incorporating them into the mixture, and what is...

Can Stearamidopropyl Dimethylamine be dissolved in the water phase at pH 6.0, and will it remain effective after adjusting the final formulation's pH?

I am looking for recommendations for ingredients for a rinse-off intensive/softening hair conditioner spray specifically for very long, damaged hair. I have tried cationic...

Can Absolue Soft Cream Base be used at 80% concentration instead of the recommended 90-100% to add 20% other ingredients?

Seeking expert advice on two issues regarding food supplement tablet formulation: 1) How to improve tablet strength and prevent brittleness when using a direct compression...

Could you please analyze the following list of ingredients for a lip formula and explain the function of each ingredient? **Ingredients:** * HYDROGENATED POLYDECENE *...