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Sodium Stearate Solubility and Clarity in Water
How soluble is Sodium Stearate in water, and why does it appear cloudy rather than clear at a concentration of 7%?
Comparison of DMI and VersaMoist™ as Penetration Enhancers
What are the differences between Dimethyl Isosorbide (DMI) and VersaMoist™ (PEG/PPG-14/7 Dimethyl Ether) regarding their function, substitutability, and odor?
Natto Gum and Nut Allergies
Can individuals with nut allergies safely use cosmetic products containing Natto Gum on their face, considering Natto Gum is derived from fermented soybeans, and is there a...
Suitability of CysWhite™ (Cysteamine HCL) in Leave-on Melasma Serum
Is a facial serum formulation for melasma containing CysWhite™ (Cysteamine HCL) 5%, Ethyl Ascorbic Acid 3%, Odor-Kill™ 2%, and Water 90% suitable, specifically for use as a...
L-Arginine in Cream for Premature Ejaculation
What is the recommended percentage of L-Arginine to use in a cream formulation for delaying or reducing premature ejaculation, based on experimental results?
Comparing Efficacy: Saccharomyces Lysate Extract 1% vs Galactomyces Ferment Filtrate
Can a formulation containing 1% Saccharomyces Lysate Extract, 10% Butylene Glycol, 1% Mild Preserved Eco™, and 88% distilled water provide comparable efficacy to Galactomyces...
Using 10% PHA Serum with Whitening Agents Daily
Can a serum containing 10% Gluconolactone (PHA) and other whitening agents be used daily, both morning and evening?
Choosing the Right Blender for Cosmetic Formulation
What type of blender (collagen blender, health food blender, or handheld immersion blender) is suitable for the final high-speed, short-duration blending step recommended after...
Serum Formulation Questions: Texture, pH, Preservation, and Mixing
I have the following serum formulation: * Hyaluronic Acid (10 kDa) 0.5% * Arginine 1% * Glycine 1.5% * L-Proline 1.5% * Leucine 1% * L-Lysine 1% * Epidermal Growth Factor 4% *...
Low SPF in Cream with SPF Protect Ultra II
Why is the measured SPF of my cream only 5 when using 15% SPF Protect Ultra II, and how can I increase it to the expected value?
Fastest Active Ingredient for Anti-Aging Cream
For manufacturing an anti-aging cream, what active ingredient is recommended for achieving the fastest visible results?
Ingredient Compatibility Issue in Cream Formulation
I have a formulation for a cream/lotion containing various active ingredients including Encapsulated Salicylic Acid, Niacinamide, Tranexamic Acid, 4MSK, MSH White, and Z-White,...
Serum Formulation: Compatibility, pH, and Post-Production Adjustment
Regarding a provided serum formulation, can the ingredients be mixed successfully, what is the likely pH without adjustment (and will it exceed 6), and what are the potential...
Solvents for Biotin Express, Urea, and Triacetin in Gentle Shampoo
Seeking advice on suitable solvents (Ethoxydiglycol, 1,3-Propanediol) for dissolving Triacetin (0.5%) when formulating a 1kg gentle, sulfate-free shampoo containing Biotin...
Difference between LeciCream and Phospholipid (Hydrogenated Lecithin)
What is the difference in function and usage between LeciCream and Phospholipid, both of which share the INCI name Hydrogenated Lecithin?
Using Essential Oils in a Steam Diffuser
How should essential oils be used in a steam or mist diffuser: directly or diluted with a base, and what base is needed?
Solubility of Ginger, Cumin, Tomato Powders for Facial Cleanser
Can Ginger, Cumin, and Tomato powders dissolve completely in water, and are they suitable for use in a facial cleansing powder formulation?
Anti-Pollution Gel Formulation: Viscosity and Additional Actives
How to formulate a low-viscosity, pumpable anti-pollution gel using Pro Polymer™, and what additional actives or additives can be included to enhance its benefits?
Shower Oil Color Change: Preventing Oxidation with Antioxidants
How to prevent color change (darkening) in a shower oil formulation containing Sunflower Oil, Mineral Oil, MIPA, Oil Blender, and fragrance, which darkens after 1-2 days,...
Formula Review: High Concentration Whitening Emulsion
I would like to request advice and ask the team to review my formula to see if it is suitable or if any ingredients need to be added or reduced. Thank you. Here is the formula:...