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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...

Cosmetics Formula Review Oil Control Pore Reduction Sensitive Skin Serum
Posted by apple_bangkok
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...

Cosmetics Gel Hydration Skin Absorption Stretchy Texture Texture
Posted by freshy-beauty
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...

Cosmetics Emulsifier Formulation Adjustment Ingredient Safety Penetration Enhancer Texture Modification
Posted by pairatteetouch
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%`,...

Cosmetics Cream Formulation Adjustment Serum Sunscreen Formulation pH Suitability
Posted by pee166
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...

Cosmetics Cream Ingredient Interaction Shelf Life Tingling Sensation Viscosity
Posted by inoppax
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...

Cosmetics Effectiveness Serum Skin Absorption Stickiness Usage Method
Posted by blackie.petto
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...

Cosmetics Effectiveness Serum Silicone-based Formulation Stability pH Suitability
Posted by pare_natsinee
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%...

Cosmetics Formulation Adjustment Ingredient Interaction Serum Stability Texture
Posted by milk_893
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...

Cosmetics Exfoliation Hyperpigmentation Ingredient Function Mixing Procedure Usage Percentage
Posted by n.sitang
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...

Cosmetics Gel Iontophoresis Skin Absorption Skin Brightening Skin Tightening
Posted by akha899
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...

Cosmetics Effectiveness Heat Sensitive Ingredient Addition Preservation Stability
Posted by pray_s20
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...

Cosmetics Mixing Procedure Precipitation Serum Solubility Solubilizer
Posted by glutacareshop
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...

Cosmetics Emulsification Mixing Procedure Phase Separation Serum Texture
Posted by apple_bangkok
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...

Cosmetics Dispensing Difficulty Facial Cleanser Foaming Gel Ingredient Interaction
Posted by murderero
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,...

Cosmetics Cream Formulation Adjustment Texture Warming Sensation pH Adjustment
Posted by pee166
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....

Cosmetics DIY Formulation Equipment Formula Cost Ingredient Selection Sunscreen Formulation
Posted by preamkamols4
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...

Cosmetics Cream Formulation Adjustment Hydration Sensitive Skin Skin Barrier Repair
Posted by at.leonidas.37
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) *...

Cosmetics Emulsion Formulation Adjustment Lotion Serum Texture
Posted by cram-croo
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™...

Cosmetics Acne Treatment Compatibility Exfoliation Formulation Adjustment Gel
Posted by korea-kon
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?

Cosmetics Effectiveness Hyperpigmentation Ingredient Comparison Melasma Treatment Skin Brightening
Posted by sz.xatan