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Sunscreen Formulation Issues and Questions

I am trying to make a physical sunscreen using the formula below, based on the information for **Titanium Dioxide 15nm Liquid** from your website. However, the resulting cream...

Cosmetics Cream Physical UV Filter Stability Sunscreen Formulation Texture
Posted by wanchai0907
Formulating Mandelic Acid 15% with Witch Hazel: Preservation, Dissolution, and Residue

I need some advice. If I want to make a formulation with Mandelic Acid 15% and Witch Hazel Plus Allan (using it instead of distilled water), do I need to add an additional...

Cosmetics Crystallization Preservation Serum Solubility Stability
Posted by wittarwat_j
Under-Eye Serum Formulation for Dark Circles, Wrinkles, and Puffiness

I am developing a serum formulation for the under-eye area to address dark circles, wrinkles, puffiness, and bags caused by lack of sleep. I initially tried a gel formula using...

Cosmetics Dark Circles Reduction Eye Care Puffiness Reduction Serum Wrinkle Reduction
Posted by feereepae
Solubility of Last Fix in Oil and Making Long-Lasting Oil-Based Perfume

Regarding the ingredient Last Fix, I would like to know if it is soluble in Ethyl Alcohol only, or if it can also be dissolved in Fractionated Coconut Oil. My goal is to create...

Cosmetics Fragrance Longevity Oil Oil-based Formulation Perfume Solubility
Posted by mrl.mint
Applying Products After Vitamin C Serum: Waiting Time

After applying Vitamin C E Ferulic (Lite) in the morning, can I apply my existing cream, moisturizer, and sunscreen? What is the recommended waiting time before applying these...

Cosmetics Absorption Serum Stability Sun Protection Usage Method
Posted by jay_cg-.-2
Lotion Separation Issue with Satin Cream Maker

I made a lotion using the following formula: * Satin Cream Maker 1% * Oil 10% * Water 85% * Chamomile extract * Vitamin B5 I mixed the Chamomile extract and Vitamin B5 with the...

Cosmetics Emulsification Emulsifier Lotion Phase Separation Stability
Posted by pye_pye
Understanding "White Skin Opening Serum Concentrate" Base and Actives

What kind of base gel is typically used in products marketed as **"White Skin Opening Serum Concentrate"** (หัวเชื้อเซรั่มเปิดผิวขาว), and what ingredients help achieve the...

Cosmetics Formulation Examples Ingredient Suggestion Serum Serum Formulation Skin Brightening
Posted by aoraeir.shops
Sunscreen/BB Foundation Formula with Silk Texture and Texture Adjustment

Could you provide a formula for a silk-texture BB/Foundation cream and explain how to modify it to function as a sunscreen with a flesh tone? Please also include mixing...

Cosmetics BB/CC Cream Cream Sunscreen Formulation Texture Texture Modification
Posted by jitlada141233
Gentle Facial Gel Formulation for Sensitive, Dull, Oily Skin with Rashes

Hello, I want to make a facial gel for sensitive skin that is also dull, oily, and prone to rashes. Besides the following ingredients, what other substances should I add to...

Cosmetics Gel Oily Skin Sensitive Skin Skin Brightening Skin Irritation
Posted by wish_w
Guide to Formulating Gel Facial Cleanser

I would like to try formulating a gel facial cleanser. What is the general approach and what are the key components needed?

Cosmetics Cosmetic Formulation Facial Cleanser Gel Gentle Formulation Ingredient Suggestion
Posted by patanapong
Water for Cosmetic Formulations

Is sterile water for irrigation suitable for use in cosmetic formulations?

Cosmetics Cosmetic Formulation Microbial Contamination Purity Quality Control Stability
Posted by annie56053
Air Bubbles in Gel Formula, Ingredient Solubility, and Daytime Use

I am making a gel formula and encountered air bubbles, likely due to mixing all ingredients from step 2 together before adding them to the gel base. I have two specific...

Cosmetics Air Bubbles Daytime Use Gel Mixing Procedure Solubility
Posted by pat_omoplus
Gel Formula Feels Oily and Doesn't Absorb on Oily Skin

I have formulated a gel for very oily facial skin, but after application, it feels very oily and does not absorb into the skin. The formula is as follows: * Pure Aloe Vera Gel...

Cosmetics Gel Oily Skin Oily Texture Skin Absorption Texture Modification
Posted by don.pradab56
Using Bismuth Oxychloride for Dewy Finish in BB/CC Cream

Can Bismuth Oxychloride be used in BB/CC cream to achieve a dewy-glow effect? If so, what forms are available, what is the recommended usage rate, and are there any important...

Cosmetics BB/CC Cream Dewy Finish Oily Skin Sensitive Skin Usage Percentage
Posted by tbcsaosila2
Issue with Incomplete Order (Missing Triethanolamine for Carbomer Gel) and Damaged Product

I recently placed an order and received it incomplete, specifically missing Triethanolamine. I need Triethanolamine to formulate a gel using Carbomer. Additionally, the...

Cosmetics Damaged Product Gel Formation Gelling Agent Ingredient Availability Ordering
Posted by chalermlap
Using Food Coloring in Lipstick Formulation

Can food coloring be used in a lipstick formula made of wax and oil? If not, why, and what types of colors are suitable for oil/wax bases like lipstick?

Cosmetics Coloring Ingredient Suitability Lipstick Oil-based Formulation Solubility
Posted by smile.mine555
Using Salicylic Acid EZ™ for Acne and FDA Declaration

I am using Salicylic Acid EZ™ 100%, which is composed of: * Coco-Dimethylamine 40% * Propylene Glycol 40% * Salicylic Acid 20% When using it at a concentration of 5% in my...

Cosmetics Acne Treatment Cosmetic Formulation FDA Registration Ingredient Declaration Usage Percentage
Posted by mackyjaao
Adjusting Serum Formula for Whitening & Anti-Aging: Texture & Stability

I have a serum formula containing the following ingredients: * Water * GlucoBright™ (N-Acetyl-D-Glucosamine) * Safe-B3™ (Niacinamide) * Tranexamic Acid * Double Hyaluron Liquid...

Cosmetics Anti-aging Serum Skin Brightening Stability Texture
Posted by o.chanuttaporn.wa
Criteria for Limiting Ingredients in Homemade Skincare for Better Results

What criteria should be used to determine the appropriate number of ingredients in a homemade skincare formula? How can I avoid adding too many ingredients?

Cosmetics DIY Formulation Ingredient Selection Skin Absorption Skin Barrier Repair Texture
Posted by nanosecond19
Formulation Advice and Ingredient Usage Questions

# Formulation Questions I have several questions regarding formulation and ingredient usage: 1. **Glycerin Bar Soap:** I am making glycerin bar soap, but it has low foam. Which...

Cosmetics Anti-Glycation Bar Soap Foaming Solidification Sunscreen Formulation
Posted by dharmaamm