คำถาม-คำตอบ

Formulating a Cream for Acne Treatment and Bouncy, Clear Skin

I have recurring clogged and inflamed acne. I am currently using a serum with Niacinamide, Betaine, Raffinose, Green tea extract, Cucumber extract, Gotu Kola Extract, Urea, and...

เครื่องสำอาง Acne Treatment Cream Formulation Adjustment Plump Skin Skin Elasticity

Posted by lovely-nuyza

2012-11-30

Skin Reaction to Homemade Hyaluronic Acid Solution

I experienced skin tightness, bumps, and a rash after using a homemade solution of Hyaluronic Acid (HA) powder mixed with water. I would like to understand the potential causes...

เครื่องสำอาง Powder Preservation Serum Skin Irritation Stability

Posted by gaily_lilt

2012-11-29

Cosmetic Formulation Basics and Formula Suggestion for Acne-Prone, Dehydrated Skin

I am new to cosmetic formulation and have several questions: 1. When mixing, how should I perform the warming/heating process (e.g., using a water bath) to help dissolve...

เครื่องสำอาง Acne Treatment Cosmetic Formulation Safety Serum Skin Brightening

Posted by playplants

2012-11-28

Natural Alternatives for Propylene Glycol and Cosmetic Preservatives

I am looking for natural alternatives to Propylene Glycol for my cosmetic formulation. 1. Are there any directly plant-derived versions of standard Propylene Glycol? 2. Could...

เครื่องสำอาง Humectant Ingredient Alternatives Preservation Preservative Booster Solvents

Posted by canaanshop

2012-11-26

Preservative and Storage for Sensitive Skin Serum

I have very sensitive skin. Was a preservative added to the sensitive skin serum formula? If not, how should it be stored to ensure shelf life?

เครื่องสำอาง Preservation Sensitive Skin Serum Shelf Life Storage Conditions

Posted by erorang

2012-11-26

Stability and Mixing of Vitamin C L-Ascorbic Acid with Hyaluronic Acid in Acidic Serum

I am making a DIY cosmetic serum. I plan to mix pure Vitamin C L-Ascorbic Acid with pure Hyaluronic Acid and use it for a short period (7-14 days). The target pH is 3.0. 1....

เครื่องสำอาง Compatibility Serum Skin Brightening Stability pH Suitability

Posted by canaanshop

2012-11-23

Kojic Acid Stability with L-Ascorbic Acid: pH and Oxidation

I am formulating a product using Kojic Acid and plan to include L-Ascorbic Acid at 15%. Could you please advise on the suitable pH range for Kojic Acid and how to maintain...

เครื่องสำอาง Acidic Formulation Ingredient Interaction Oxidation Stability pH Suitability

Posted by non.ant

2012-11-23

Formulating a Non-Greasy Face Cream with Apple Stem Cell, Vitamin C (MAP), and Vitamin B3 (Niacinamide)

I would like to create a face cream with the following ingredients: 1. **Apple Stem Cell Extract (PhytoCellTec™)**: I want this to be the main ingredient. 2. **Vitamin C...

เครื่องสำอาง Cosmetic Formulation Cream Non-sticky Texture Skin Brightening Stability

Posted by vespa_indy89

2012-11-22

Anti-Aging Serum/Gel Formulation and Mixing Steps

I would like to formulate an anti-aging serum/gel using the following ingredients: DMAE, Vitamin B3 2%, Glucosamine 4%, Hyaluronic Acid 1%, Gladback, Argireline, and Sesaflash®...

เครื่องสำอาง Anti-aging Formulation Adjustment Gel Mixing Procedure Serum

Posted by sarpoz_05

2012-11-18

Phenoxyethanol Irritation and Soothing Ingredients for Sensitive Skin

I have questions regarding cosmetic formulations, specifically concerning the preservative Phenoxyethanol and the use of soothing ingredients like Allantoin and Bisabolol: *...

เครื่องสำอาง Cream Gel Preservation Sensitive Skin Skin Irritation

Posted by bf.vichi

2012-11-17

Ingredients for Treating Melasma and Freckles

What are effective ingredients for treating melasma and freckles? How does Alpha Arbutin work for these conditions? What are the recommended usage guidelines for Alpha Arbutin...

เครื่องสำอาง Melanin Inhibition Mixing Procedure Skin Brightening Usage Percentage pH Suitability

Posted by shopelice

2012-11-16

DIY Skincare Formulation Advice: Toner, Body Cream, Face Cream/Serum (Whitening & Anti-aging)

I have found formulas for three skincare products and would like advice on their suitability and if the ingredients are available. The formulas are: 1. **Vitamin C Toner** (for...

เครื่องสำอาง Anti-aging Cream DIY Formulation Serum Skin Brightening

Posted by deathnote_l_toon

2012-11-14

Mixing Multiple Skincare Ingredients: Compatibility, Base, and Stability

I have purchased the following ingredients: * `SEAKLP-20G Sea Kelp Bioferment` * `ALPAR-2G Alpha Arbutin` * `LICOR-10G Licorice Extract (Certified Organic)` * `ETH-ASCOR-3G...

เครื่องสำอาง Compatibility Gel Skin Brightening Stability Water-based Formulation

Posted by prettygold_on

2012-11-13

Formulating Cream with Light Cream Maker™ for Under-Eye Wrinkles and Texture

I am formulating a cream containing Sweet Almond Oil, B3, Aloe Vera, Eyeseryl, Argireline, and Sesaflash. I am considering using Light Cream Maker™ instead of Laureth-23. *...

เครื่องสำอาง Cold Process Formulation Cream Emulsification Peptide Wrinkle Reduction

Posted by bf.vichi

2012-11-12

Questions on Sea Kelp Extract Usage and Licorice vs. Alpha Arbutin for Whitening

I have some questions about Sea Kelp Extract and using Licorice Extract for skin whitening. Regarding Sea Kelp Extract: 1. The description mentions it can be mixed into cream...

เครื่องสำอาง Eye Care Ingredient Interaction Ingredient Selection Skin Brightening Usage Percentage

Posted by nongj

2012-11-11

Ingredients for Lightening and Anti-Aging Sheet Mask

What ingredients can be used to formulate a sheet mask with lightening and anti-aging properties?

เครื่องสำอาง Anti-aging Face Mask Peptide Skin Brightening Vitamin C

Posted by april_gb

2012-11-11

Formulating a Timed-Release BHA Product: Texture, pH, and Preservation Questions

Regarding the formulation of a product similar to Paula's Choice BHA 9, I have the following questions: 1. Can the product be a clear liquid and not a gel texture? 2. Does the...

เครื่องสำอาง Preservation Serum Stability Timed-Release pH Adjustment

Posted by laneige2048

2012-11-09

Eye Cream Formulation Review and Ingredient Questions

I would like to inquire about the formulation and mixing procedure for a 50ml eye cream with the following ingredients: * Water: 66% * Eyeseryl®: 10% * Haloxyl®: 3% * SNAP-8®:...

เครื่องสำอาง Eye Cream Formula Review Ingredient Comparison Skin Brightening Usage Percentage

Posted by bongo_bongka

2012-11-09

Comparing Toner Ingredients for Pore Tightening and Irritation

Could you please advise on which of the following two toners is more likely to be effective for pore tightening and which is less likely to cause irritation, based on their...

เครื่องสำอาง Formulation Comparison Ingredient Analysis Pore Reduction Skin Irritation Toner