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Niacinamide Concentration When Layering Products

Hello! I have a question I'm wondering about. Suppose I apply a serum that states it contains Niacinamide 5%, followed by a moisturizer that also contains Niacinamide 5%. Does...

Cosmetics Concentration Lotion Product Layering Serum Usage Percentage
Posted by pai_lovely99
2021-08-25
AcnePLEX™ Compatibility with Thickeners and X-Foam Usage

Based on the information that AcnePLEX™ is developed to be positively charged for better skin adhesion and long-lasting effect, but has limitations in compatibility with...

Cosmetics Acne Treatment Foaming Ionic Compatibility Thickener Usage Percentage
Posted by misix24
2021-08-24
Solubility and Clarity of Pure-Phloretin

After dissolving Pure-Phloretin at 2%...

Cosmetics Clarity Dispersion Solubility Suspension
Posted by peeriya.wong
2021-08-23
Using Squalane and Centella Asiatica for Irritated Skin

Can Squalane oil...

Cosmetics Compatibility Oil Redness Reduction Skin Irritation Soothing Effect
Posted by bonus.nj
2021-08-23
Adjusting Serum Formula for Daytime Dryness and Tightness

I have a serum formula with the following ingredients and percentages: Galactomyces Ferment Filtrate (Pitera) 44%, ID water 44%, Rosa Hybrid Cell Extract (Rose Stem Cell) 2.2%,...

Cosmetics Emollient Hydration Serum Skin Barrier Repair Skin Dryness
Posted by gashbell_7918
2021-08-23
Solubility of DHHB and Chemical UV Filters in LipidSoft vs. C12-15 Alkyl Benzoate

I would like to know if DHHB and other chemical filters can dissolve in various types of LipidSoft, such as LipidSoft Lite, to the same extent as they dissolve in C12-15 Alkyl Benzoate.

Cosmetics Chemical UV Filter Ingredient Alternatives Solubility Solvents Sunscreen Formulation
Posted by kansenklang
2021-08-23
Citronella Oil vs. Citronellal/Citronellol for Mosquito Repellency

1. Is...

Cosmetics Effectiveness Ingredient Classification Ingredient Mixture Mosquito Repellency Oil
Posted by sirithanaphon
2021-08-23
Using Grape Seed Ingredients at 5%: Benefits and Safety

What are the benefits of using grapeseed (oil or extract) at a 5% concentration in cosmetic formulations for maximum results, and are there any long-term negative effects on...

Cosmetics Color Changing Effectiveness Safety Skin Irritation Usage Percentage
Posted by patarapolchuon
2021-08-22
ClayThick™ Mixing Requirements and Omitting in Serum Formulation

I have the following formula: A Phase : Water 52% EDTA 0.1% Glycerin 3% Niacinamide 5% Ectoin 2% 8D Hyaluronic Acid 10% Ethoxydiglycol 2% 1,2-Hexanediol 5% B Phase :...

Cosmetics Mixing Procedure Serum Stability Texture Thickener
Posted by kansenklang
2021-08-22
Comparing Skin Barrier Ingredients and Extract Colors in Serum

I would like to compare Skin-Barrier™ and SkinLipid™ for skin barrier repair effectiveness, as both are considered barrier ingredients. Additionally, I am concerned that adding...

Cosmetics Color Changing Ingredient Alternatives Serum Skin Barrier Repair
Posted by sawaengsak
2021-08-21
Mixing Activated Resorcinol and Aristoflex AVC

Can Activated Resorcinol and Aristoflex AVC be mixed together instantly, or is a binder/emulsifier needed?

Cosmetics Dispersion Emulsifier Gel Mixing Procedure Solubility
Posted by nuntasu.armmer
2021-08-21
Dissolving Calcium Thioglycolate & Calcium Hydroxide in Hair Removal Foam

How can Calcium Thioglycolate be dissolved in water for a hair removal foam formula? When mixed with water, it forms hard lumps even after blending. Please advise on the...

Cosmetics Clumping Hair Removal Mixing Procedure Solubility
Posted by touchzhakornxx
2021-08-21
Ingredient substitution in serum due to yeast allergy

Regarding the formulation "Care & White Serum by kritpecharat (#4774)", if I am allergic to yeast, can I change the ingredient? Could you please recommend an alternative? Thank you.

Cosmetics Allergy Ingredient Alternatives Serum
Posted by manida777
2021-08-20
Bubble Bath / Bath Bomb Ingredients and Foaming

Regarding a bubble bath formula containing baking soda (Sodium Bicarbonate), Citric Acid, Cream of Tartar, SLSA, Cocoa Butter, shea butter, Extract, Polysorbate 80, Liquid...

Cosmetics Effervescence Foaming Ingredient Interaction Ingredient Ratio Powder
Posted by mo.linnlinn
2021-08-20
Ingredient Causing White Residue in Clay Mask

What ingredient in Pathummas clay mask causes white residue on acne?

Cosmetics Acne Treatment Active Ingredient Clay Mask Residue
Posted by preedee.git
2021-08-19
Concentrated Perfect-C Serum for Anti-Aging and Skin Improvement

I want to create a concentrated serum formula for anti-aging, stimulating collagen production under the skin, achieving smooth skin, and reducing acne marks, using the active...

Cosmetics Collagen Stimulation Oil-based Formulation Serum Stability Wrinkle Reduction
Posted by breezeyommanut
2021-08-19
Alternatives for Squalene in Clear Lip Formula

Based on the clear lip formula below (using Oil Stick™ Hard together with Oil Stick™ Medium for clarity), what can be used to replace Squalene? The formula is: Oil Stick™ Hard...

Cosmetics Glossiness Ingredient Alternatives Lip Product Stick Texture
Posted by princess_nai_nai
2021-08-19
Formulation Review: Acne Treatment and Lightweight Nourishing Serum

I would like to review two cosmetic formulations: 1. **Acne Treatment:** A formula for acne and clogged pores with the following ingredients: * Acacia Salicylic Acid (Timed...

Cosmetics Acne Treatment Preservation Serum Skin Barrier Repair Texture Modification
Posted by sleekorder.ka
2021-08-19
Ingredient Identification: PVP/Crospovidone and Microcrystalline Cellulose

Polyvinylpolypyrrolidone (PVPP, Crospovidone) เป็นตัวไหนคะใช่ s360 รึเปล่าค่ะ Microcrystalline Cellulose ใช่ 102 รึเปล่าคะ

Food Capsule Direct Compression Ingredient Classification Ingredient Naming Tablet
Posted by roongroong39
2021-08-19
Liquid Soap Formula Review: Vitamin C Stability and High Fragrance Issues

Hello, could the team please review this formula? Liquid soap formula for skin brightening and reducing dark spots for normal and oily skin: DI Water 31.00%, Vitamin C...

Cosmetics Formula Review Fragrance Liquid Soap Skin Brightening Stability
Posted by tinnawith
2021-08-18