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Stannous Fluoride Stability in Mouthwash
What are the potential negative effects or issues if Stannous Fluoride dissolves and becomes active immediately when used in a water-based product like mouthwash?
Waterproof, Alcohol-Based Makeup Formulation with Mica
I am formulating a waterproof makeup product using a 99% alcohol base with mica as the pigment. Can I use WetGuard as the polymer base? What kind of binder is needed for mica...
Mixing Plant Extracts and Powders for Drinking: Solubility and Bloating Concerns
I have purchased the following 9 ingredients. I would like to ask about mixing them: 1. Astragalus (อึ้งคี้ ปักคี้ หวงฉี) Extract (90% Polysaccharide) 2. Jujube Extract...
Mixing NanoShea™ (Liquid Shea Butter) in Water-Based Serum
Can NanoShea™ (Liquid Shea Butter, 30%) be successfully incorporated into a water-based Vitamin C serum formulation, and what are the recommended steps?
Solubility of Perfect-A 99 in Water-Based Serum
Can Perfect-A 99 (Hydroxypinacolone Retinoate 99% dissolved in glycols) be directly added to a water-based Vitamin C E Ferulic serum, or are there alternative forms recommended...
Dissolving Coumarin in Oil with Heat
Can Coumarin be dissolved in oil, and can heat be used to aid dissolution?
Water Sleeping Mask Base: Active Ingredient Percentage and FDA Documentation
What is the maximum percentage of active ingredients that can be added to the Water Sleeping Mask Base (compare to Laneige), and is a composition sheet provided for FDA...
Using AcnePLEX™ and X-Foam in a Ready-Made Gel Base
When incorporating AcnePLEX™ into a ready-made gel base, can it be mixed directly, and is the addition of X-Foam still required?
Antiperspirant & Deodorant Spray Formulation and Fragrance Dissolving
How to formulate an antiperspirant and deodorant spray for underarms, including suitable base ingredients, active components, and safe methods for dissolving fragrance?
Fixing Serum Separation
I made a Vitamin C serum according to a specific formula, but after letting it sit, a thin layer of oil or silicone separates and floats on top. What is the cause of this...
Formulation Advice for Complex Active Blend
Can a ready-made base be used for a serum/cream containing high concentrations of Niacinamide, N-acetyl glucosamine, Bakuchiol, DMI, Melatonin Forte, EGF, Copper Peptide,...
Using Dipropylene Glycol (DPG) as Fragrance Solvent for Skin Application
Can Dipropylene Glycol (DPG) be used to dissolve fragrance oil for direct skin application? What is the appropriate usage percentage, and does it cause a heating sensation on...
ColorFix: Identification and INCI Name
What type of substance is ColorFix and what is its international chemical name (INCI Name)?
Silicone Gel for Scar Treatment
Can "Silicone Gel 5041 (Dimethicone Base)" be used alone as a scar gel to reduce post-surgical scars?
Adding Ingredients to Reduce Body Odor in Natural Oil Soap
What ingredients can be added to homemade natural oil soap to help reduce body odor throughout the day, and how should they be incorporated?
Translucent Powder Formulation
How to formulate translucent face powder, including common ingredients, their functions, and formulation considerations?
How to Use Color Changing Lipstick Base
How to use the Color Changing Lipstick (Clear to Pink Red) base product, including melting, adding oil-soluble fragrance, and pouring into a mold? Are there specific techniques...
Retinal Solubility in LipidSoft™ Moist and Suitability for Acne-Prone Skin
Can Retinal (Retinaldehyde) be dissolved in LipidSoft™ Moist instead of traditional oils to avoid acne, and is LipidSoft™ Moist suitable for use on acne-prone skin?
Vanilla Oil (Extra Grade) Availability and Alternatives
Is Vanilla Oil (Extra Grade) still available for purchase, as the website indicates it is out of stock? Are there any alternative vanilla-scented products available?
Bottle type for fragrance with essential oil
For a fragrance formulation containing Essential Oil, Flora Solve Clear, and water, what type of spray bottle (clear/translucent vs. amber/opaque) is recommended to maintain quality?