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Formulation Review: Sensitive Skin, Pores, and Oil Control
I have a skincare formulation with ingredients including Niacinamide and Licorice Extract. The total weight of the formulation is 100 grams. I would like to ask the following...
Ingredients for Stretchy, Snail Mucus-like Texture in Cosmetics
I encountered a cosmetic product with a very stretchy texture, like chewing gum. I've never seen this before. What ingredients are typically used to create this stretchy, snail...
Technical Questions on Cosmetic Formulation: Glycols, Penetration Enhancers, Emulsifiers, Ethoxydiglycol Usage, and Ingredient Safety
# Technical Questions on Cosmetic Formulation I have several questions regarding cosmetic formulation: 1. Why are glycols (like Propylene Glycol, Butylene Glycol) used in...
Formulation Questions: Cream, Sunscreen, Under-Eye Gel, Serum, and Soap
I have several questions regarding different cosmetic formulations: 1. **Light Cream Formulation Issues:** * My initial Light Cream formula (`Light cream 3%`, `Pep®-Coll 3%`,...
Cream Formulation Issue: Thinning with Potassium Azeloyl Diglycinate and Skin Tingling
I tried making a cream using 1% Light Cream Maker mixed with 70% water and got a nice cream texture. However, when I added 10% Potassium Azeloyl Diglycinate, the cream turned...
Vitamin C E Ferulic Pre-Mix Kit: Leave On for Best Results
For the **Vitamin C E Ferulic Pre-Mix Kit**, is it necessary to leave it on, or can it be washed off after about half an hour, especially considering potential stickiness in...
Anhydrous Vitamin C Effectiveness: How it Works Without pH Measurement
Based on the understanding that Vitamin C typically works in an acidic environment and that `Vitamin C Silicone` formulations cannot have their pH measured, how can we...
Serum Formulation Feedback: AA-2G, Niacinamide, and Texture Issues
I have a serum formulation for brightening, anti-oxidation, and moisturizing using the following ingredients and percentages: * Stabilized Vitamin C (AA-2G) 33% * Natto Gum 5%...
Properties and Usage of Willow Bark Extract (Natural Salicylic Acid)
Could you please provide information on the properties and recommended usage percentage for Willow Bark Extract (Natural Salicylic Acid)? I have had this ingredient for a while...
Whitening & Firming Gel: Ionto vs. Direct Application Effectiveness
Regarding a whitening and firming gel for facial application, is there a difference in formulation between a gel intended for direct topical use and one intended for use with...
Order of Adding Green Tea Extract (EGCG) and Phenoxyethanol
What is the correct order for adding Green Tea Extract (EGCG) and Phenoxyethanol to a cosmetic formulation? Is there a specific reason why these ingredients are often...
Salicylic Acid Precipitation in Serum/Solution
I am formulating a serum/solution containing Salicylic Acid, Propylene Glycol, Tween 20, and water. I am experiencing precipitation in the formula. I have tried a simplified...
Serum Formulation Issue: Separation and Liquid Texture
I am trying to formulate a serum using Cyclomethicone and Warp Cream Maker. I mixed the Cyclomethicone with the Warp Cream Maker, stirring for a long time as it didn't dissolve...
Facial Cleansing Gel: Low Foam and Pumping Difficulty
I am developing a facial cleansing gel. In my second batch, I experienced low foam and difficulty pumping the product, even though the gel texture was slightly thicker than...
Cream Formulation: Warming Sensation from Humectants & pH Adjustment
I made a cream using ingredients including Propylene Glycol (20%), Ethoxydiglycol (20%), Light Cream Maker™, Pep®-Coll, Matrixyl™ 3000, DMAE Bitartrate, Rose Hip Oil,...
Making Sunscreen for a School Project: Ingredients, Methods, Equipment, and Cost
I am working on a school project about making sunscreen. I have questions regarding: * What are the key ingredients needed for sunscreen, particularly UV filters (Physical vs....
Managing Topical Steroid Withdrawal and Skin Repair
How to formulate a nourishing cream base to mix with topical steroid cream for gradual reduction and skin barrier repair during steroid withdrawal? Please suggest suitable...
Formulating a Lightweight Emulsion (Serum/Liquid Lotion Texture)
I have a product with the following ingredient list and a liquid milk-like texture: **Ingredient List:** * WATER * BUTYLENE GLYCOL * HYDROGENATED POLY (C6-14 OLEFIN) *...
LHA Gel Formulation for Acne, Exfoliation, and Anti-Aging: Ingredient Compatibility and Concentration
I am developing a gel formulation for acne, exfoliation, and anti-aging. My proposed formula includes: * Capryloyl Salicylic Acid (LHA) at 20% * Bisabolol at 1% * Flora Solve™...
Tranexamic Acid vs. Lemon Peel Bioferment for Melasma and Pigmentation
Which is better for treating melasma and pigmentation caused by sun exposure: Tranexamic Acid or Lemon Peel Bioferment?