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Regarding my revised toner formula containing a high concentration of DMAE and using 10% Ethoxydiglycol as a penetration enhancer, I have the following questions: 1. Will the...
Can activated resorcinol be added to tester formulations?
# Urea Cream Formulation for Cracked Heels I would like a simple formula for a Urea cream for cracked heels. The formula should include: 1. Urea 20% - 30% (Note: Urea...
I have two questions: 1. Regarding the Vit C E Ferulic kit: * What is the shelf life after mixing? Can it last 1-2 years, as I plan to take it abroad? * Can I add other...
Could you please help classify the following list of ingredients from a cosmetic product into **Active Ingredients** and **Base Ingredients**? Here is the ingredient list: *...
I am developing a lotion formula for dry skin with the following ingredients and percentages: * Grape Seed Oil, Rice Bran Oil, Extravirgin Olive Oil (total 5%) * Shea Butter...
I would like the team to help analyze my formula. My skin is very fair and sensitive. I am over 30, work in an office, drive, and am not exposed to much sun or pollution....
I want to make a water-based lip tint similar to Uthai Thip. I'm concerned about using the type of food coloring traditionally used in Uthai Thip because I read online that it...
Regarding the topic "Review skincare formulas for me", I have two formulas: **Serum Formula:** * `Double Hyaluronic Liquid 0.1%` * Other ingredients (not specified in the...
Could you please explain the feasibility, benefits, and challenges of using vinegar (specifically Apple Cider Vinegar) in cosmetic formulations? How does its effectiveness...
I am concerned about Mercury and Steroids in cosmetics, especially after using a prescribed steroid cream from an acne clinic for a limited time. Could you please provide...
I am developing a silicone-free, non-comedogenic sunscreen SPF 32 using Zinc Oxide. My goal is a formula that is both easy to wash off and long-lasting, but I understand these...
How to calculate ingredient quantities for a cosmetic formula based on percentages, such as 30% total ingredients and 70% water, to make a specific amount like 100 grams or 50...
I am developing a sunscreen formulation using Zinc Oxide 200nm EasyDisperse™ and Titanium Dioxide 200nm EasyDisperse™ (both silicone-coated). I have encountered two issues: 1....
Can water-soluble food coloring be used to color a formulation containing Microcrystalline wax dissolved in oil?
How can I mix a stretch mark cream using Shea Butter, Jojoba Oil, and Apricot Oil? Can Rose Hip Oil also be added?
I have questions regarding using **Sea Kelp Bioferment** and **Lanolin Natural / Synthetic Lanolin** as a cream base: 1. Does the **Sea Kelp Bioferment** sold by the company...
Can L-Ascorbic Acid and Copper Peptide (GHK-Cu) be used together in a skincare routine, considering their different optimal pH ranges? If they are applied sequentially, is...
What are your favorite DIY cosmetic ingredients and formulas, and what benefits have you observed from using them?
How to mix `AminoWash` (Sodium Lauroyl Glutamate) and `BabyFoam` (Sodium Cocoyl Isethionate) for shampoo formulation? Is neutralization required and how should it be done?
