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Usage, Compatibility, and Safety of NaturePreserve™ Ultra (Gluconolactone/PHA Preservative)
I have questions regarding NaturePreserve™ (Gluconolactone): 1. What is the correct usage method for NaturePreserve™? 2. Can it be used with a mask formulation containing...
Custom Serum Formula for Oily, Aging, Acne-Prone Skin with Brightening Needs
I have oily skin, aging appearance, occasional inflammatory acne, acne scars, and dullness. I am looking for a single daily tester formula that is non-sticky, can be used both...
Dissolving DeoMax and Using Silver as Preservative in Mouthwash
I have questions regarding the use of DeoMax and silver ingredients in a liquid mouthwash formulation. * How should DeoMax be dissolved? * How can DeoMax be kept dispersed in...
Issues with Cream/Gel Formulation and Thickening
I am trying to create cosmetic formulations but am encountering issues. Could you please advise on the following problems? 1. **Formula 1 (using SiliSolve Plus):** I used...
Formulation suggestions for melasma, anti-aging, lifting, and brightening creams
I need formulation suggestions for two types of creams: 1. A cream specifically for treating melasma and freckles on dry skin. 2. A fast-absorbing cream that provides...
Analysis of a Multi-Ingredient Anti-Aging Serum/Gel Formulation
Could you please analyze the following formulation intended as a serum or gel? * Panthenol B5 2% * French Pine Bark 1% * Wrinkle-Fill 2% * NAT-RIBOSE 2% * Wrinkle-Lax 0.5% *...
Review and Recommendations for Skincare Spray Formulations
I would like a review and recommendations for the following two proposed skincare spray formulations: **Formula 1: For Combination to Dry/Very Dry Skin** 1. Pep®-Coll...
Toner formulation for oil control and absorption improvement
I have formulated a toner for oil control with the following ingredients and percentages: * Licorice Extract (Licochalcone A) 0.5% * Zinc PCA 1% * L-Carnitine 2.5% *...
Usage and Safety of BTAC and CTAC in Shampoo and Conditioner
Regarding Behentrimonium Chloride (BTAC) and Cetrimonium Chloride (CTAC): 1. Can BTAC be mixed into shampoo formulas? 2. Are there any long-term negative effects or dangers...
Silicone-based sunscreen formula separation and emulsifier recommendation
My silicone-based sunscreen formula is separating. How can I prevent this and achieve a silky texture that spreads easily?
Active Ingredients for Eyebrow and Mustache Growth Serum
I am looking for recommendations for active ingredients to formulate a serum for stimulating eyebrow and mustache growth, similar to the products found in the "Stimulating Hair...
Vitamin C Stability, pH, and Color Change
I have two questions regarding Vitamin C: * When adjusting the pH to 3.5-4, will it reduce the effectiveness of Vitamin C? * When storing the product for a long time, will the...
Post-Laser Skincare Formulation for Wound Healing and Moisturizing
I am developing a skincare formulation for post-laser treatment, focusing on wound healing and moisturizing. My proposed formula includes the following ingredients: * Copper...
Compatibility of BB Cream Colorant with Hard Pearl Cream
Can the colorant used in BB cream be mixed with a hard pearl cream? What factors affect their compatibility, and how can I check if they can be used together without issues...
Simple Gel Formula for Dry, Sensitive Skin: Hydration and Preservation Feedback
I would like to inquire about a simple gel formula I am developing for dry skin with redness and inflammation from acne. Can this formula be mixed? My proposed formula is: *...
Ingredient Compatibility and BHA Formulation Issue
I have questions regarding the compatibility of certain ingredients and a specific BHA formulation: * Can Reservoir-Tech be used together with Activated Resorcinol? * Can...
Combining Stabilized Vitamin C Serum with Existing Cream Formulation for Acne/Oily/Sensitive Skin
I have an existing cream formulation containing: * Tranexamic Acid (Trans-White™) * GlucoBright™ (Acetyl Glucosamine) * Safe-B3™ (Vitamin B3, Niacinamide) * Licorice Extract...
Safety of Chemical vs. Physical Sunscreens and Regulatory Approval
What are the safety concerns regarding chemical sunscreens such as Benzophenone, Octocrylene, and Octylmethoxycinnamate, including the generation of Reactive Oxygen Species...
Why Add Preservatives Last? Timing for Water-Soluble Preservatives
Could you please explain why preservatives are typically added in the final step of a formulation process? Also, for water-soluble preservatives, is it possible to mix them...
Active Ingredients in MARIO BADESCU Buffering Lotion for Clogged Pores
What are the active ingredients in MARIO BADESCU Buffering Lotion that help with clogged pores? What are the functions of these active ingredients? Are there alternative...