Browse Questions and Answers
Avg response: 12 HrsFilter Questions
20 of 14172 results
What is the recommended skincare approach for melasma and oily skin after stopping a previous cream for 2 months, considering potential residual irritation? What ingredients...
Regarding the packaging of cosmetic products, particularly concerning ingredient stability and protection from environmental factors like temperature, light, and air: 1. How...
What ingredients or formulation strategies should be used to create a toner that effectively lifts impurities and leaves visible residue (dirt, oil, makeup, dead skin cells) on...
I have a physical sunscreen formulation that separates after about 30 minutes. The formula is: 1. Zinc Oxide 5% 2. Titanium Dioxide 5% 3. Cyclomethicone 40% 4. Dimethicone 16%...
I am formulating a serum for whitening, acne reduction, and oil control using the following ingredients: * Vitamin B12 (VB12) 5% * Vitamin B5 * N-acetyl Glucosamine * Zinc PCA...
I want to add Vitamin B3 powder and N-acetyl Glucosamine powder to an existing cream base. Do I need to dissolve them in water first, or can I add them directly to the cream...
What is the effective pH range for Encapsulated Salicylic Acid (BHA, Timed-Release) in a formulation, and does the manufacturer specify a single optimal pH point within this range?
I am making bar/liquid soap using the saponification method (oil + lye) and want to add natural ingredients like tofu, cucumber, or aloe vera, which can cause the soap to spoil...
I want to add natural oils to my liquid soap formula to help with skin dryness. Since ClearClean is not available, what alternative emulsifiers or ingredients can I use to...
How can I formulate a physical sunscreen with a light, non-sticky texture (similar to the "ครีมกันแดด SPF35/PA+++ เนื้อเบา ไม่เหนอะหนะ" recipe) that is water-based and...
I am planning to create a natural skin cream using the following ingredients: Beeswax, Soy lecithin, Shea butter, Alpha arbutin, Niacinamide, Licorice powder, Tomato extract,...
What is the meaning of "Makeup Base"? Does it refer to "Primer"? Could you please provide more information, including examples of product names and ingredients from market...
Regarding a Vitamin C serum formulation containing L-Ascorbic Acid and Vitamin C Ester in an anhydrous base of Isododecane and silicone: When applied to the face, do the...
Regarding the ingredient `Stabilized Vitamin C (Natural-C Glycol™)` which has an original pH of 2-3: 1. For cosmetic registration with the FDA, the pH needs to be at least 3.5....
Based on a proposed sunscreen formula: * SPF Protect Ultra II 20% * LipidSoft Lite 10% * DHHB 10% * Oxybenzone 10% * Vitamin E 1% * Water, Light Cream Maker 1%, Preservative I...
I need advice on formulating a gentle facial cleanser suitable for oily skin prone to inflammatory acne and clogged pores. My current cleanser doesn't seem to completely clear...
I am developing a serum formulation using **Silky Serum Base** with the following ingredients: * **Azelaic Acid (Liquid Azelaic™)** 10% * **Vitamin B3 (Niacinamide)** 5% *...
Based on personal experience finding **15% L-Ascorbic Acid** effective for skin brightening compared to Vitamin B3, which is generally considered more effective for skin...
I have two questions regarding cosmetic formulation: 1. Can cosmetic-grade resorcinol derivatives, such as Activated Resorcinol (4-Butyl Resorcinol), be dissolved in other...
I want to create a face spray for my mother that is easy to use and portable. The goals are to strengthen the skin, reduce wrinkles, and provide moisture. I have an initial...
