Browse Questions and Answers

Avg response: 15 Hrs
Minimum 3 characters for search

20 of 13950 results

Combining Ingredients for Oily Skin Control

Regarding controlling oily skin, should multiple ingredients be used to target more than one mechanism of inhibiting oil production? Could you recommend which oil-controlling...

Cosmetics Acne Treatment Compatibility Oil Control Oily Skin Topical Application
Posted by wisedrb
Serum/Gel Formulation for Oily, Sensitive, Acne-Prone Skin

I have oily skin (sometimes combination, dry + oily T-zone), sensitive skin, easily irritated, with clogged pores, inflammation, and rashes. My objective is to reduce clogged...

Cosmetics Acne Treatment Gel Oily Skin Sensitive Skin Serum
Posted by luckygirlwbc.2019
Calculation of Vitamin B3 Amount in Cream/Lotion

Based on the usage instructions: * Recommended concentration is 5%. * Maximum concentration is 10% without causing allergy or skin irritation. Given an example of adding...

Cosmetics Amount Calculation Concentration Cream Lotion Usage Percentage
Posted by duen1508
Ingredients in Plug-in Car Air Freshener

Regarding the formulation of **plug-in car air fresheners** (such as Glade or Ambi Pur Car), besides the **Fragrance oil**, are there any other ingredients?

Cosmetics Car Air Freshener Fragrance Ingredient Function Ingredient Identification Solvents
Posted by sumethee10
Hyaluronic Acid (Japan) for Serum Gel Formulation

I would like to inquire if `hyaluronic ชนิด Japan` forms a gel when used to make a serum?

Cosmetics Gel Formation Raw Material Serum Texture
Posted by patarapolchuon
Gelling Agent for Alcohol Hand Gel

I would like to inquire about which gelling agent should be used to make `Alcohol` gel.

Cosmetics Alcohol Formulation Buffering Gel Gelling Agent Viscosity
Posted by ausay_28
Adjusting Lotion Formula for Lightweight, Sensitive Skin

I want to develop a lightweight, easily absorbed lotion formula for sensitive skin. Based on the following formula, what additions or adjustments are needed? **Formula:** *...

Cosmetics Formulation Adjustment Light Texture Lotion Sensitive Skin Skin Absorption
Posted by siripornlawan
Formulation Modification for Foundation/BB Cream (Adding PowderCream, Color, SPF)

Based on the following formula for Foundation/BB, can the proposed additions be made? Formula: * Silicone Gel Ultra Clear 70% * Titanium Dioxide Nano EasyDisperse™ 3% * Silk...

Cosmetics Coloring Foundation Powdery Feel Sun Protection Sunscreen Formulation
Posted by top_guitarone
Solubility of Pure-Melatonin™ in Oil

Regarding the product **Pure-Melatonin™**, the website states it is soluble in some oils. I have tested it with aloe vera oil and it did not dissolve. I also do not want to...

Cosmetics Oil Oil-based Formulation Solubility Solvents
Posted by sroydondon
Troubleshooting Cream Pilling Issue

I tried formulating a cream, but when applied, it pills. I'm unsure of the cause and how to fix it. The ingredients are as follows: * Aqupec HV-805EP 0.87% * Iso Propyl...

Cosmetics Cream Pilling Texture Thickener pH Adjustment
Posted by jeab.kattareeya
Reed Diffuser Bases and Scent Diffusion

Based on my research, I know you sell Reed Diffuser Base. However, I personally want to use a base that comes from natural sources. I tried mixing Fractionated Coconut Oil with...

Cosmetics Diffuser Base Fragrance Diffusion Ingredient Alternatives Natural Formulation Reed Diffuser
Posted by gamesarunyu
Formulation Review for Anti-Aging Whitening Gel Sleeping Mask

I am requesting a review and recommendations for a trial batch formulation of a gel product intended for overnight use as a sleeping mask. The user is comfortable with...

Cosmetics Anti-aging Formula Review Gel Skin Brightening Sleeping Mask
Posted by konrawat.d59
Understanding Cosmetic Ingredients and Their Functions

Could you please explain the ingredients in the following list and their functions? * lepidium sativum sprout extract * Caprylic/capric triglyceride * Glycerin * phytol *...

Cosmetics Anti-aging Cream Serum Skin Brightening Soothing Effect
Posted by patt45
Serum Formulation for Melasma, Wrinkles, Scars, and Hydration (Alcohol/Oil/Silicone/Paraben-Free)

Could you please recommend ingredients for formulating a serum with the following objectives? 1. Reduce melasma and freckles. 2. Reduce roughness, make skin soft, smooth, and...

Cosmetics Hydration Melasma Treatment Scar Treatment Serum Wrinkle Reduction
Posted by patt45
Difference between Overhead Stirrer and Homogenizer for Shampoo and Cream

I want to buy a mixing machine for shampoo. I see both overhead stirrers and Homogenizers. I don't understand how they are different and how to choose which one to buy. Are...

Cosmetics Cream Dispersion Emulsion Mixing Procedure Shampoo
Posted by dignifiedparents
Body Salt Scrub: Preventing Oil Separation and Yellowing

Hello, I have tried making a body salt scrub with the following components: * oil 16% * ewax 8% * stearic acid 8% * liquid soap 34% * water 31% * salt 200% * Fragrance * BHT...

Cosmetics Color Changing Oxidation Phase Separation Scrub Stability
Posted by kwanyeuanesoap2016
Cleansing Oil Stability Issue

I have tried making a cleansing oil with the following ingredients: * Olive Oil * Grapeseed Oil * castor oil * Laureth-4 5% After about 2 months, the oil separated and became...

Cosmetics Cleansing Oil Ingredient Suggestion Oil-based Formulation Oxidation Stability
Posted by kwanyeuanesoap2016
Solubility of Kojic Acid Dipalmitate in Water-Based Products

I would like to know about the solubility of `Kojic Acid Dipalmitate` for use with water-based products.

Cosmetics Cream Lotion Oil-based Formulation Solubility pH Suitability
Posted by manager.im
Safety Concerns of High Concentration Ethoxydiglycol

Regarding the ingredient Ethoxydiglycol, I understand that the FDA (อย.) limits its use to no more than 5-10%. I am wondering what the dangers or negative effects would be on...

Cosmetics Concentration Penetration Enhancer Regulatory Compliance Safety Skin Irritation
Posted by sroydondon
Ingredients for Exfoliating Soap

I want to make an exfoliating soap. Could you please tell me: * Which ingredients should I add to the formula? * What is the recommended usage percentage for these ingredients?

Cosmetics Bar Soap Exfoliation Ingredient Selection Mixing Procedure Usage Percentage
Posted by nupookca