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Side Effects of Silicone Gel (Vinyl Dimethicone Crosspolymer) in Cosmetics
I would like to know about the side effects of **Silicone Gel Vinyl Dimethicone Crosspolymer**. Are there any side effects such as clogged pores, personal irritation/allergy,...
Availability of 100ml tester for SPF Protect Ultra™ II+ Zinc liquid
Can I order a 100ml tester size of the product SPF Protect Ultra™ II+ Zinc liquid?
Using Titanium Dioxide Pigment in Soap
Can `Titanium Dioxide Pigment` be used in soap formulations, and what is the recommended mixing method (water phase vs. oil phase) for optimal dispersion?
Basic Perfume Making: Ratios and Fixatives
I'm new to perfume making and don't know where to start, as I couldn't find a pinned topic recommending basic perfume formulation. 1. From my initial research, I read that...
Formulation Questions for Mosquito Repellent Stick, BHA Toner, and Serum
I would like to inquire about the compatibility and formulation of the following products: **1. Mosquito Repellent Stick** Formula: * EucaKill 25% * Dipropylene glycol 30% *...
Incompatibility of Zinc PCA and Hi-EGCG in Formulation
What happens when Zinc PCA and Hi-EGCG are mixed in the same formula? Will there be precipitation or loss of effectiveness? Is it possible to use them in separate formulas? And...
Dry Shampoo Formulation using Rice Starch
I want to create a dry shampoo using RiceSorb (Product ID 648). Based on the recommended formulation, could you please clarify the following points? * What is the recommended...
Cosmetic Ingredients for Lice Treatment
What cosmetic ingredients can be used for lice treatment in formulations like shampoos or lotions, considering that medicinal ingredients like ivermectin are classified as...
Formulating a Serum for Acne, Brightening, and Hydration
I would like to formulate a water-based serum for clear skin, acne reduction, brightening, and hydration using the following ingredients: * Hyaluronic Acid (Standard Molecule)...
Adjusting Lipstick Formula for Hardness and Color Dispersion
My lipstick formula is too soft. How can I adjust the formula to make it harder? Also, how can I effectively disperse color (like ReadyMix Iron Oxides Red) in the formula...
Improving Pressed Glitter Eyeshadow Longevity and Water Resistance
How can I improve the longevity and water resistance of my pressed glitter eyeshadow formulation to prevent creasing? I am considering using `Hydrogenated Polycyclopentadiene...
Shower Oil Color Change and Thickening without Heat
My Shower Oil formulation changed color from yellow to orange-pink. How can I prevent this color change? Also, how can I thicken the Shower Oil without using heat?
Sunscreen Formulation Issues: Solubility, Texture, and Manufacturing Steps
I am developing a sunscreen formula with the following ingredients: * Avobenzone 3% * Octocrylene * Titanium Dioxide 15nm Liquid * SiliSolve Plus 1% * Pro Polymer 1.5% *...
Solving Cloudiness in Micellar Cleansing Water Formulation
My mixture becomes cloudy when I add water to the base containing PEG-6 Caprylic/Capric Glycerides (MakeUp-Wash™) and other ingredients like Poloxamer 184, Glycerin,...
Questions about Non-Foaming Facial Cleansing Gel Formulation
Regarding a non-foaming facial cleansing gel formulation, I have the following questions: 1. Does Lactic Acid in a facial cleansing gel get washed off and not remain on the...
Preservative Use in Anhydrous Oil-Based Formulation
I have a formulation containing Grape Seed Oil, Wheat Germ Oil, Isododecane, and Argan Oil. This formula is purely oil-based with no water. Do I need to add a preservative like...
Compatibility of Encapsulated Salicylic Acid and Slim-Coffee in Hair Mask
I am formulating a 30-minute rinse-off hair mask/treatment. My formula includes Encapsulated Salicylic Acid (intended to clear clogged hair follicles for hair growth) and...
Natural Lip Balm Causing Lip Darkening: Causes and Stable Formulation Tips
I made a natural lip balm using the following formula: Beeswax 25%, Shea butter 50%, Oil 24%, Vitamin E 1%. After using it, my lips became darker. What could be the cause of...
Retinal and Perfect-C™ Compatibility in Oil-Based Formula & Preservation
I have a formula containing Retinal in a Squalane (Olive) base. Is this formulation compatible? I would like to add Perfect-C™ at 5%. Is this possible, and if so, how should I...
Why High pH Facial Soap Causes Varying Skin Reactions
Why does facial soap with a high pH (around 9) cause skin irritation (peeling, stinging, itching) in some individuals but not in others?