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Questions about using 10% Glycolic Acid Solution

I have questions regarding using glycolic acid: 1. I mixed it using grams: `glycolic acid 10 กรัม` with `นัำ 90 กรัม`. Will this result in a 10% concentration, equivalent to...

Cosmetics Concentration Preservation Serum Usage Method Wash-off Application
Posted by tonghiha9448732
Serum Formulation Analysis and Modification

Based on the formula provided, please analyze the ingredient roles and efficacy, particularly for Lactic Acid and Sodium Salicylate. Is Polysorbate 80 necessary in this...

Cosmetics Formulation Adjustment Gelling Agent Ingredient Alternatives Serum Solubilizer
Posted by mbam9397
Mixing SPF Ingredients into Finished Lotion

Is it possible to mix SPF ingredients like `SPF Protect Ultra II` and `SPF Protect Ultra III (UVA+UVB)` into a finished, store-bought lotion? If not, what are the issues, and...

Cosmetics Dispersion Lotion Stability Sun Protection Sunscreen Formulation
Posted by teareal
Incorporating Capryloyl Salicylic Acid (LHA) into Fractionated Coconut Oil Gel Serum

I would like to know if Capryloyl Salicylic Acid (LHA) Liquid can be incorporated into a Fractionated Coconut Oil Gel base to create a serum. If so, what is the recommended...

Cosmetics Ingredient Addition Oil-based Formulation Serum Solubility Usage Percentage
Posted by orjira.p
Cyclomethicone / Cyclopentasiloxane in Facial Formulas: Absorption Feel and Alternatives

My facial cream/serum formula doesn't absorb well. I'm wondering about the role of Cyclomethicone (Cyclopentasiloxane). * Does it truly help with skin absorption, or does it...

Cosmetics Absorption Clogged Pores Cream Serum Texture
Posted by knw1208
Gel Formulation for Exfoliation and Melasma: Pro polymer, LHA Dissolution, and Ingredient Compatibility

I am developing a gel formula for mild melasma, photodamaged skin, and collagen stimulation, which involves exfoliation. I have some questions regarding the formulation process...

Cosmetics Exfoliation Formulation Adjustment Gel Melasma Treatment Stability
Posted by nonvapon
LHA Formulation: Stability, Solubility, and Usage

Regarding the following formula: * LHA 10% * Propolymer 1% * Mild Preserve 0.5% * Water 1. What is the stable pH range for LHA (Capryloyl Salicylic Acid)? 2. How should the pH...

Cosmetics Serum Skin Irritation Solubility Stability pH Adjustment
Posted by tanik_fu
Mixing Acetyl-Tyrosine and Copper Peptide for Derma Rolling

How to formulate a serum or gel containing Acetyl-Tyrosine and Copper Peptide (GHK-Cu) for use with a derma roller? Please provide details on ingredient percentages, mixing...

Cosmetics Device Application Formulation Adjustment Gel Serum pH Adjustment
Posted by chayanunworadech
Questions on DIY Vitamin C Serum Formulation

I am interested in making my own Vitamin C serum, aiming for something similar to Skinceutical C E Ferulic. I have a few questions regarding the formulation: * Can I use...

Cosmetics DIY Formulation Packaging Preservation Serum Stability
Posted by koboo22
Website Access Issue: Formula Center Page

I am unable to access the formula center page on the website. Is this page currently accessible to others?

Cosmetics Customer Service Request Recipes Section Website Issue
Posted by kaw_oat
Solubility of French Pine Bark Extract (Water Soluble)

I'm having trouble dissolving **French Pine Bark Extract (Water Soluble, Proanthocyanidins 10%)**. It doesn't seem to dissolve properly when I try to mix it into oil (like...

Cosmetics Clumping Dispersion Emulsion Mixing Procedure Solubility
Posted by aeyjingo
Modifying Cleansing Oil Formula: Removing Citrus Oils and Alternative Emulsifiers

I have a cleansing oil formula with the following ingredients: * **Base Oils:** Oryza Sativa (Rice) Bran Oil, Olea Europaea (Olive) Fruit Oil, Helianthus Annuus (Sunflower)...

Cosmetics Cleansing Oil Emulsifier Formulation Adjustment Fragrance Texture
Posted by kanyarach
MSH White Solubility in Low pH Vitamin C Serum

Regarding the formulation of a serum similar to Skinceuticals C E Ferulic (which has a low pH around 3-4) containing Vitamin C (L-ascorbic acid) and MSH White (Undecylenoyl...

Cosmetics Ingredient Interaction Serum Skin Brightening Solubility pH Suitability
Posted by pattarawutth
Formulation Adjustment and Preservation for Oil/Wax Balm

I have a formula consisting of Shea Butter (67%), Beeswax (16%), Coconut Oil (8.5%), and Fragrance (1.5%). How can I reduce the cost by replacing Shea Butter? Also, what...

Cosmetics Balm Ingredient Alternatives Oil-based Formulation Oxidation Preservation
Posted by ben.somsri
Cosmetic Formula Discoloration and pH Drop: Water Quality and Process Issues

I have a cosmetic formulation containing the following ingredients: - Perfect-C™ - Tranexamic Acid - N-Acetyl-D Glucosamine - Vitamin B3 - Repair Activator™ - Adenosine Complex...

Cosmetics Color Changing Mixing Procedure Serum Stability Water Quality
Posted by sweet_btt
Formula and How to Make Concentrated Hyaluronic Acid Serum

Based on the clarification that "Hayanullazi" likely refers to Hyaluronic Acid, I would like to know how to make a concentrated Hyaluronic Acid serum at home. Could you please...

Cosmetics DIY Formulation High Concentration Hydration Serum Serum Formulation
Posted by lunarstick
Using Skincare Actives (Niacinamide) in CP/HP Bar Soap

I would like to know about the possibility and challenges of incorporating skincare extracts or active ingredients, specifically Niacinamide, into bar soap made using Cold...

Cosmetics Bar Soap Heat Stability Ingredient Suitability Stability pH Suitability
Posted by nitmafortell
Formulating Thick Tamarind Body Scrub Cream with Long Shelf Life

I need guidance on formulating a **tamarind body scrub cream** that has a **thick texture** and a **long shelf life of at least two years**. Specifically, I need to understand...

Cosmetics Cosmetic Formulation Cream Scrub Shelf Life Thick Texture
Posted by lunarstick
Comparing Liquid vs. Powder Hyaluronic Acid for Gel Formulation and Solubility

I am trying to formulate a gel using Hyaluronic Acid. I previously used the powder form but found it very difficult to dissolve. I am now considering using **Double Hyaluron...

Cosmetics Formulation Comparison Gel Ingredient Function Solubility Viscosity
Posted by mirajane.vanderwoodsen
Inquiry about Shower Cream Formula/Base

I am looking for a shower cream formula or a ready-made base. What should I ask the seller for, perhaps referencing something like 'c-7'?

Cosmetics Ingredient Suggestion Ordering Ready-to-use Formulation Shower Cream Shower Cream Base
Posted by mirajane.vanderwoodsen