Browse Questions and Answers

Avg response: 7 Hrs
Minimum 3 characters for search

20 of 14132 results

Please analyze the following list of ingredients and explain their likely functions in a sunscreen formulation: 1. Water 2. Homosalate 3. Ethylhexyl Salicylate 4. Alcohol...

Cosmetics Chemical UV Filter Formula Review Ingredient Function Sunscreen Formulation Texture
Posted by sincere9955
Read More

I would like to request a formula for a Vitamin C serum suitable for sensitive skin, focusing on brightening and reducing wrinkles.

Cosmetics Anti-aging Sensitive Skin Serum Serum Formulation Skin Brightening
Posted by tha.minty
Read More

How can I find the HLB value for cosmetic ingredients and bases, specifically asking for the HLB of SiliSolve Plus and the emulsion type (O/W or W/O) and HLB for Silky Base...

Cosmetics Emulsifier Emulsion Type Raw Material Serum
Posted by sakul_wudangzhan
Read More

What are the functions of the key ingredients like Salicylic Acid, Clays (Kaolin, Bentonite), Curcuma Longa Root Extract, and Menthol in this product formulation?

Cosmetics Acne Treatment Cooling Sensation Exfoliation Facial Cleanser Oil Control
Posted by peeriya.wong
Read More

I am trying to formulate a cream using Light Lotion Maker (ID 5938) with the provided formula and method, but the mixture remains liquid and does not form a cream texture. What...

Cosmetics Cream Emulsifier Mixing Procedure Texture Viscosity
Posted by sakul_wudangzhan
Read More

Seeking advice on enhancing penetration in a hair serum formulation already containing 2% Laurocapram (Water Soluble). Specifically, which of Ethoxydiglycol, Phospholipid, or...

Cosmetics Hair Treatment Ingredient Interaction Penetration Enhancer Safety Serum
Posted by paisal.asa
Read More

What techniques can be used to help Light Cream Maker™ fully dissolve in water at 0.4% concentration, as it currently leaves undissolved particles even after 10 minutes of stirring?

Cosmetics Dispersion Mixing Procedure Solubility Texture Thickener
Posted by sakul_wudangzhan
Read More

For an oil-based formula containing 1% Bakuchiol and 0.2% dl-alpha Tocopherol (Vitamin E) in Argan Oil, is it necessary or recommended to add Dimethyl Isosorbide (DMI) to...

Cosmetics Active Ingredient Oil Penetration Enhancer Usage Percentage
Posted by kamonchanok.diamond
Read More

Can small molecule Hyaluronic Acid powder be dissolved directly into a Witch Hazel Plus Allantoin base for making a serum?

Cosmetics Mixing Procedure Powder Serum Solubility Stability
Posted by jarinrat0624
Read More

Can you analyze the ingredients and proportions of this proposed formulation (Macadamia oil 44%, Avocado Oil 18%, Shea Butter 27%, Vitamin E 1%, Beet Root Red Pigment 10%) and...

Cosmetics Balm Dispersion Ingredient Interaction Oil Stability
Posted by pakakrong.villa51
Read More

What ingredient or method can be used to lock fragrance in liquid fabric softener to make the scent last longer on fabric?

Cosmetics Encapsulation Fabric Softener Fragrance Fixation Long-lasting
Posted by jackky.lau
Read More

Can L-Ascorbic Acid powder be mixed directly with a Hyaluronic Acid gel base? Is it then possible to mix this combination with body lotion for body application?

Cosmetics Gel Ingredient Interaction Lotion Stability pH Adjustment
Posted by ann2501
Read More

How can I determine if various raw materials or active ingredients selected for a formulation will interact with each other (e.g., synergistically, antagonistically, or form...

Cosmetics Compatibility Ingredient Interaction Safety
Posted by glamory5492636
Read More

What is the recommended usage rate for Ferrous Sulfate when mixing with herbal hair dye powder to improve color adhesion, and are there potential problems if left on the hair...

Cosmetics Hair Colorant Hair Treatment Ingredient Interaction Skin Irritation Usage Percentage
Posted by kimjidjee
Read More

What is a recommended cream formula and key ingredients for reducing dark circles and puffiness around the eyes?

Cosmetics Blood Circulation Stimulation Cream Dark Circles Reduction Eye Care Swelling and Bruising Reduction
Posted by litahirunsupaluk
Read More

Can EasyWash™ color be used in a serum formulation? Will applying sunscreen after a serum containing EasyWash™ color cause pilling (formation of residue/khui) on the skin?

Cosmetics Coloring Compatibility Residue Serum Sun Protection
Posted by sakul_wudangzhan
Read More

The user asks about the compatibility and usage percentages of Water-in-Oil emulsifiers with Oil-in-Water cream makers (Satin Cream Maker, Milk Lotion Maker) in sunscreen or...

Cosmetics Cream Emulsifier Stability Sunscreen Formulation Water-in-Oil
Posted by wipaka
Read More

How to properly dissolve Lithium Magnesium Sodium Silicate (Clear) powder in water to achieve a clear, stable solution without separation or sedimentation, as attempts with...

Cosmetics Concentration Mixing Procedure Phase Separation Powder Solubility
Posted by pockyrainy
Read More

I am formulating a product using 100% Fractionated Coconut Oil as the base oil. I tried mixing `Oil Thick transparent` at 0.2%. * I heated the mixture to 70-80°C until the...

Cosmetics Clarity Oil Gellant Oil-based Formulation Turbidity Viscosity
Posted by waralee.sg
Read More

Could you please review this foundation formulation draft before manufacturing? I am aiming for a product with SPF 50+, 1-2 shades brightening effect, good coverage, oil...

Cosmetics Coverage Liquid Foundation Long-lasting Oil Control Sun Protection
Posted by thesunlaboratory
Read More