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Adjusting pH of Alcohol-Free Witch Hazel with Allantoin

I have purchased **Witch Hazel (Alcohol Free) Plus Allantoin** and would like to adjust its pH from the natural range of 3.8-4.5 to a range of **5-5.5** using **Triethanolamine...

เครื่องสำอาง Alcohol-Free Formulation Facial Use Toner pH Adjustment pH Suitability
Posted by tanabatlee
2014-06-13
Alternatives for Corn Starch in Powder Cleanser

I have a powder cleanser formula consisting of 80% main ingredient and 20% corn starch. Can I substitute the 20% corn starch with other cheaper ingredients like Vitamin B3...

เครื่องสำอาง Filler Formula Cost Ingredient Alternatives Powder Cleanser Texture
Posted by korea-kon
2014-06-13
Differences between Polysorbate 20 & 80 and Mineral Oil alternatives

What are the differences between **Polysorbate 20** and **Polysorbate 80**? Also, how can I replace **Mineral Oil (Paraffinum Liquidum)** in a formula where it and **Cetearyl...

เครื่องสำอาง HLB Value Ingredient Alternatives Ingredient Comparison Solubility Texture
Posted by nbinnima
2014-06-13
Compatibility of Stabilized Vitamin C (AA-2G) and Zinc PCA

Is Zinc PCA needed to enhance the absorption of Stabilized Vitamin C (Ascorbyl Glucoside or AA-2G), and can they be combined in a formula?

เครื่องสำอาง Absorption Ingredient Interaction Serum Stability
Posted by keng.walinlug
2014-06-12
Clear Gel Sunscreen Formulation, Sensitive Skin, and Infrared Protection Claims

I am interested in formulating a clear gel sunscreen. I have the following questions: * How can I achieve a clear gel texture in a sunscreen formulation? * Are chemical...

เครื่องสำอาง Claim Gel IR Protection Sensitive Skin Sunscreen Formulation
Posted by Anonymous
2014-06-12
Timing for adding fragrance to serum and liquid soap

When should essential oil (for fragrance) and perfume be added during the formulation process for serum and liquid soap?

เครื่องสำอาง Fragrance Liquid Soap Mixing Procedure Serum
Posted by sj_ying
2014-06-11
Temporary skin darkening from whitening serum (L-ascorbic acid, BHA)

I am using a whitening serum containing 10% L-ascorbic acid and BHA. I have noticed that my skin temporarily darkens after sun exposure, even though I avoid direct sunlight. I...

เครื่องสำอาง Ingredient Alternatives Photosensitivity Serum Skin Darkening Sun Protection
Posted by aerie_aerie
2014-06-11
Formulating a Cream: Allantoin Concentration and Mixing Steps

I need guidance on formulating a cream using the following ingredients: * Water * Copper Peptide * Pepha-Tight * Allantoin * Centella Asiatica Extract * Vitamin B3 *...

เครื่องสำอาง Cosmetic Formulation Cream Mixing Procedure Texture Usage Percentage
Posted by koy-0815
2014-06-10
DIY Cosmetic Formulation Review: Gentle Liquid Soap & Whitening Gels

I'm formulating a gentle liquid soap and two whitening gels (face and body). I have some questions about the mixing procedure for the liquid soap and how to reduce the slippery...

เครื่องสำอาง Formulation Adjustment Gel Liquid Soap Skin Brightening Texture
Posted by meimeiriddhiraksa
2014-06-10
Returning to L'Oreal Cream After Skin Irritation and Dryness

After experiencing small pimples and now having dry, peeling skin, my doctor advised using a mild cream. Can I return to using L'Oreal creams?

เครื่องสำอาง Cream Flaky Skin Formulation Suitability Sensitive Skin Skin Dryness
Posted by krittanat_ping
2014-06-10
Eye Cream Formula for Wrinkles, Under-Eye Bags, and Dark Circles

I am looking for a formula for an eye cream to address wrinkles, under-eye bags, and dark circles. I have a base of Aloe Vera Gel (Lite) and plan to include REGU-AGE and...

เครื่องสำอาง Cosmetic Formulation Dark Circles Reduction Eye Cream Puffiness Reduction Wrinkle Reduction
Posted by cartoon2519
2014-06-09
Alpha Arbutin Storage and pH Stability in Whitening Formula

I saw on the website that Alpha Arbutin should be stored at room temperature, and I've been doing that. However, today I checked the remaining raw material and saw that the...

เครื่องสำอาง Serum Skin Brightening Stability Storage Conditions pH Suitability
Posted by zecond__zity
2014-06-08
Serum/Emulsion Separation Issue in Small Batch Production

I am making a serum/emulsion formula in small batches (20g) using the following ingredients: * Water * Light cream maker * Hyaluronic Acid (Standard Molecule) * Hyaluronic Acid...

เครื่องสำอาง Emulsion Phase Separation Precise Measurement Small Scale Production Stability
Posted by sj_ying
2014-06-08
Understanding and Handling the Smell of Coco-Betaine

What causes the "rancid" smell often associated with Coco-Betaine raw material, is this odor considered normal, and what are the common methods used to address or mask this...

เครื่องสำอาง Fragrance Fragrance-Free Formulation Odor Odor Reduction Raw Material
Posted by nuiphatsha
2014-06-08
Properties and Use of Purified Water (TDS 1PPM) for Cosmetics

What are the properties and intended uses of "Purified Water, TDS Limit 1PPM"?

เครื่องสำอาง Cosmetic Formulation Ingredient Suitability Purity Raw Material Water Quality
Posted by tanik_fu
2014-06-08
Formulating Anti-Aging Serum and Cream for Different Skin Types: Texture, Whitening, and Ceramides

I have two formulation questions: 1. My first serum formula, consisting of: * Hyaluronic standard * Hyaluronic nano * Vit B3 * Glucosamine * Alpha arbutin * Phenoxyethanol *...

เครื่องสำอาง Anti-aging Formulation Adjustment Skin Barrier Repair Skin Brightening Texture
Posted by go_lf555
2014-06-08
Mixing Galactomyces Ferment Filtrate (Pitera) for Facial Skincare

I am using Galactomyces Ferment Filtrate (Pitera) and find that using it pure feels sticky. If possible, could you please recommend which ingredients I should mix with it...

เครื่องสำอาง Facial Use Formulation Adjustment Serum Stickiness Texture Modification
Posted by missmikishop
2014-06-07
Cream Formulation Issues: Thinning with DMAE, Thickener Alternatives, pH, Whitening, and Acne Ingredients

I am formulating a cream and have encountered some issues. Could you please provide advice on the following points? 1. I initially mixed all ingredients except DMAE, and the...

เครื่องสำอาง Acne Treatment Cream Ingredient Interaction Skin Brightening Viscosity
Posted by missmikishop
2014-06-07
Questions on Formulating with Vitamin C and Glycolic Acid

I have some questions regarding formulations using L-Ascorbic Acid and Glycolic Acid: 1. **Vitamin C (L-Ascorbic Acid):** What is the difference in efficacy and absorption when...

เครื่องสำอาง Amount Calculation Concentration Exfoliation Formulation Adjustment Glycolic Acid
Posted by sivacoupe
2014-06-07
DIY Hair Color Treatment Formulation Safety

How to formulate or modify a hair color treatment using chemical dyes for home use?

เครื่องสำอาง DIY Formulation Hair Colorant Hair Dye Formulation Hair Treatment Safety
Posted by choten56
2014-06-07