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Skin Reaction from DIY Cosmetics: Possible Causes

I experienced skin irritation/allergic reaction after using a DIY cosmetic product I made, possibly containing **Pitera (Galactomyces Ferment Filtrate)**. What could be the...

เครื่องสำอาง Allergy DIY Formulation Ingredient Ratio Mixing Procedure Skin Irritation
Posted by srila
Modified Hybrid Sunscreen Formula and Mixing Method

How to formulate a modified hybrid sunscreen with Matte Silica? I have adjusted a hybrid sunscreen formula and would like to confirm if the following ingredients and mixing...

เครื่องสำอาง Compatibility Dispersion Formula Review Mixing Procedure Sunscreen Formulation
Posted by neab5678
Chemical Sunscreen Formulation (Biore UV Aqua Rich Style) and Alcohol Effects

I want to create a chemical sunscreen formula that is lightweight and fast-drying, similar to Biore UV Aqua Rich Watery Essence. I previously had issues with physical filters....

เครื่องสำอาง Alcohol Formulation Quick-drying Skin Dryness Sunscreen Formulation Texture
Posted by last_psychedelic
Combining Ingredients for Acne, Scars, Melasma, and Brightening

How can I formulate a single product or skincare routine using **Niacinamide**, **Salicylic Acid** (BHA), various forms of **Vitamin C** (such as L-Ascorbic Acid, Ethyl...

เครื่องสำอาง Acne Scars Acne Treatment DIY Formulation Melasma Treatment Skin Brightening
Posted by chaitawat.mano
Creating a Heavy Night Cream using Luxury Cream Maker

I want to create a night cream with a heavy, oily texture suitable for cold weather. I was considering using Rich Cream Maker, but I understand its oil phase limit is around...

เครื่องสำอาง Cream Formulation Adjustment High Oil Content Oily Texture Texture
Posted by jn_andy
Using Full & Lift and Slim-Burn in Eye Cream: Compatibility and Side Effects

I have questions regarding the use of Full & Lift and Slim-Burn in cosmetic formulations, specifically for eye cream: 1. If I use Full & Lift, should I also use Slim-Burn? Both...

เครื่องสำอาง Anti-aging Compatibility Eye Care Formulation Adjustment Skin Irritation
Posted by jn_andy
Adding PE1-Aqua Penetration Enhancer to a Formula with LipidSoft and Propylene Glycol

Can I add PE1-Aqua (penetration enhancer) to a formula containing LipidSoft (emollient) and Propylene Glycol? I understand that LipidSoft is intended only to form a thin film...

เครื่องสำอาง Compatibility Cosmetic Formulation Emollient Penetration Enhancer Solubility
Posted by nuchjarin.meesuwan
Formulating 3% Salicylic Acid Cream: Challenges and Alternatives

I am attempting to create a cream formulation containing 3% Salicylic Acid (BHA). My planned approach involves dissolving the Salicylic Acid in Propylene Glycol before adding...

เครื่องสำอาง Cosmetic Formulation Cream Regulatory Compliance Solubility Texture
Posted by borifle
Water-Breaking Sunscreen Formulation Issues and SPF 50

I am trying to create a water-breaking sunscreen formulation. I have a list of ingredients from another product (Octyl Mcthoxycinnamate, Vitamin E acetate, Microzized Ti02,...

เครื่องสำอาง Ingredient Interaction Preservation Stability Sunscreen Formulation Water Break Texture
Posted by makewbkorea
Review and Mixing Procedure for Stretch Mark Cream and Facial Serum Formula

I would like to request a review and advice on the mixing procedure for two formulas: 1. **Stretch Mark Reduction Cream for Legs:** * Cocoa Butter: 10% * Rose Hip Oil: 7% *...

เครื่องสำอาง Formula Review Ingredient Interaction Mixing Procedure Skin Brightening Stretch Mark Reduction
Posted by khonle01
Adding Madecassoside 7.7% to Serum Formula

Regarding the serum formula containing Perfect-C, Silky Serum Base Plus, Cyclomethicone, Vitamin E, water, and Magnesium Sulfate, can I add Madecassoside 7.7% at a 2%...

เครื่องสำอาง Compatibility Ingredient Addition Mixing Procedure Serum Stability
Posted by diow_tuatoo
Incompatibility of Eye Preserved™ (Polyaminopropyl Biguanide) with Gel Formulation

I am making a formula using Pro Polymer, Mahad extract, and `Eye Preserved™ (Polyaminopropyl Biguanide)`. Why does the mixture turn into a rubbery lump?

เครื่องสำอาง Clumping Compatibility Gel Preservation Texture
Posted by bioeuw321
Melatonin Forte™ Solubility and Packaging for Hair Growth Spray

I am developing a hair growth spray formula using **Melatonin Forte™**. I have the following questions: 1. Is **Melatonin Forte™** water-soluble? Can it be dissolved directly...

เครื่องสำอาง Hair Growth Stimulation Packaging Solubility Spray Stability
Posted by miraclegus
Serum Darkening Issue and Formula Enhancement for Melasma/Freckles

I have a serum formulation containing the following ingredients: * Gluco Bright 4% * Safe-B3 5% * MSH White 1% * Alpha Arbutin * Tranexamic Acid My serum is darkening over...

เครื่องสำอาง Color Changing Melasma Treatment Serum Stability pH Adjustment
Posted by hong_mbk
Inquiry about WhiteCumin™: Availability, Forms, and Benefits

Could you please provide information about the ingredient WhiteCumin™? I would like to know about its availability, the different forms it comes in, and its properties and...

เครื่องสำอาง Antioxidant Raw Material Skin Brightening Solubility Wrinkle Reduction
Posted by nuchjarin.meesuwan
Efficacy and Usage of Water-Soluble vs. Regular Shea Butter

What is the difference in efficacy between `Shea Butter Water Soluble` and `Shea Butter Certified Organic` at the same quantity? If replacing `Shea Butter Certified Organic`...

เครื่องสำอาง Effectiveness Solubility Texture Usage Percentage Water-based Formulation
Posted by fewruko
pH Compatibility of Ingredients in Serum Formulation

Could you please advise on the pH compatibility of the following ingredients in a serum formulation? * TreMoisture™ (Trehalose) * Pep®-Coll (Syn-Coll) * Argireline® * Vitamin E...

เครื่องสำอาง Ingredient Suitability Oil Compatibility Serum Stability pH Compatibility
Posted by nu_nu_beer
Achieving Non-Sticky, Fast-Absorbing Gel Texture with Alcohol

How can I formulate a gel product that is non-sticky and fast-absorbing? Based on the expert's suggestion, adding `Alcohol denat` (or `Ethyl Alcohol`) at a concentration of...

เครื่องสำอาง Alcohol Formulation Drying Speed Gel Non-sticky Texture Skin Absorption
Posted by sincere9955
WhiteCumin™ Extract Restock Date Inquiry

I really like the WhiteCumin™ extract and have seen great results, especially for wrinkles and brightening. When will it be back in stock?

เครื่องสำอาง Product Availability Raw Material Skin Brightening Wrinkle Reduction
Posted by marissadajai
Gel Formulation Issue: Lumps with Pro Polymer™ and PE-1 Aqua

I am making a gel formula with the following ingredients: * Pro Polymer™ (Gel Maker) at 3% (1.5g in 50g) * PE-1 Aqua * Vitamin C (L-ascorbic acid) * Glutathione After mixing, I...

เครื่องสำอาง Clumping Gel Mixing Procedure Oily Skin Penetration Enhancer
Posted by pantawan_kantiyatep