Browse Questions and Answers

Can Triethyl citrate dissolve in water up to 4-5% without using a solubilizer like FloraSolve? I want to use it in a water-based formula and prefer not to list "Fragrance" high...

Based on the formula: * `Cyclomethicone 30%` * `Dimethicone 20%` * `Silicone Gel Base 40%` Will the texture be liquid enough to be dispensed from a vacuum pump bottle? Also,...

Can **Alpha Arbutin** be used during the day? Specifically, can it be mixed with sunscreen and applied during the day? Does it cause photosensitivity? *(Note: The staff...

I read a recommendation that Salicylic Acid EZ can be used at 10% concentration for treating clogged pores. I would like to know: * Is it necessary to use this high...

I have combination skin that is slightly dry, with freckles, occasional clogged pores, and starting to show wrinkles at age 25. I would like feedback on the following formula,...

I have purchased **Chili Hot™** based on a previous recommendation for use on lips. However, the latest staff reply indicates it is not for this purpose and suggests...

My serum formula containing `Pro Polymer` and `Cyclomethicone` has separated. Why is this happening, and how can I fix it? Is the formula ruined? Do I need to add `SiliSolve`?

I have made a lotion formulation that has a good texture, but it feels too oily on the skin and doesn't absorb well. It feels like it's not sinking into the skin and I want it...

I am currently using Phenoxyethanol in my formula. Can I replace it with Phenoxyethanol SA at the same concentration? Also, can Phenoxyethanol SA be used together with...

I am a beginner looking to create a facial serum. I have combination-to-dry skin and want to address concerns like skin brightening, reducing wrinkles (especially early ones),...

I have purchased a starter kit for making Vitamin C serum (CE Ferulic type). I would like to know how to add the following ingredients to the serum base: * Preservative * Color...

Could you provide a formula for a clear, non-foaming gel cleanser suitable for acne-prone and sensitive skin? I am looking for a gentle cleanser with minimal foam, potentially...

Can Vitamin B3 (Niacinamide) be added to a formula, specifically at 2%? What is the safe and effective usage percentage, potentially up to 5%?

I want to make a CC cushion product. I was initially thinking about a CC cushion powder formula. Could you please clarify what type of formula is used for CC cushion products...

I want to use fermented kaffir lime and butterfly pea liquid in a shampoo formulation. * Is boiling the liquid a suitable method for sterilization? * What are the effects of...

How to calculate the amount of Phenoxyethanol preservative needed for a cream formulation and determine its shelf life?

Regarding homemade face masks made from natural ingredients (like avocado, honey, banana, yogurt): 1. Can I add active ingredients from the whitening, anti-age, or acne groups...

I would like to know the ingredients, their percentages, and the mixing steps for NYX Soft Matte Lip Cream. I have attached the ingredient list for this product. Could you...

I have a serum formula containing `AnyGel™` at 1%, `Butter Cream Maker™` at 2%, and also includes `LipidSoft™ Lite`. How can I adjust the formula to achieve a thinner texture...

What is the difference in EGCG concentration between the old "Green Tea Extract (EGCG)" product (purchased in 2014) and the current "Green Tea Extract (Hi-EGCG)" product...