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Mixing Active Ingredients into Existing Cream
Can I mix the following active ingredients into my existing skin cream? * Stabilized Vitamin C (Natural-C Glycol™) * Alpha Arbutin * N-acetyl D Glucosamine * Vitamin B3 (Safe...
How to Use Long-Lash™ Ingredient for Eyelash Conditioning
Can the ingredient Long-Lash™ be used directly, or are there recommended usage methods for incorporating it into a formulation, including application instructions for the final product?
Formulation with SkinTight MD™ Liquid: Water Content, Solubility, and Emulsification in Silicone Base
Regarding a silicone-based serum formulation with the following structure: * SkinTight MD™ (Liquid) 20% * Dimethicone 10% * Cyclomethicone 20% * Silicone gel 5% * Additional...
Replicating RESIST BHA 9 Serum Formulation and BHA Concentration
Regarding products with low pH: Is it generally true that sensitive skin cannot use products with low pH, or does it primarily depend on the specific active ingredient used in...
Calculating Sunscreen Active Percentages and INCI Listing Rules
I have questions regarding the use of **SPF Protect™** and ingredient labeling: 1. When using **SPF Protect™** at 20% in a base, will the resulting concentrations of...
Substitute Ingredients for Shampoo Formula
Based on the following shampoo formula, what ingredients can be used as substitutes? Formula: Water, Sunflower Seed Extract, Grapeseed Extract, Ethylhexyl Methoxcinnamate,...
Diluting Double Hyaluron Liquid to 0.1%
How to dilute Double Hyaluron Liquid (5% Hyaluronic Acid) to a 0.1% concentration? Is mixing 2 grams of the 5% liquid with 98 grams of water correct to achieve 100 grams of...
Vitamin C (L-Ascorbic Acid) Instability in Water-Based Creams
Can regular Vitamin C powder (L-Ascorbic Acid) be mixed directly into water-based creams or moisturizers? What alternative is recommended?
Cosmetic Formulation, Ingredient Properties, and Skin Reactions
I have several questions regarding cosmetic formulations and ingredients: 1. I am using a product containing **Vitamin C E Ferulic**. I experience a tingling/itching sensation...
Body Oil Formulation: Emulsification and Preservative Issues
I'm trying to create a body oil with the following ingredients, aiming for a preservative-free formula: * Sesame Oil 70% * Tocopheryl Acetate (Vitamin E Acetate) 1% * Vitamin C...
Sea Kelp Extract Color Variation
Why did the Sea Kelp Extract I received change color from light yellow to a darker yellow-brown compared to the previous batch, and does this mean it has deteriorated?
Vitamin C Stability: Unexpected Yellowing with Ferulic Acid and the Role of Vitamin E
I conducted an experiment comparing the stability of L-Ascorbic Acid solutions: 1. **Solution A:** L-Ascorbic Acid dissolved in water + Propylene Glycol. 2. **Solution B:**...
Scrub Expansion and Gas: Microbial Contamination and Preservation
I have made a scrub product with the following ingredients: * Cetyl Alcohol (Vegetable) * Coffee Extract * Honey * Phenoxyethanol After leaving it for about 2 weeks, the...
Using Vitamin B5 in Leave-in Hair Root Treatment Spray
Can Vitamin B5 be used in a leave-in treatment formula applied as a spray to the hair roots? Which forms of Vitamin B5 like `Panthenol (Vitamin B5, DL-Panthenol, Powder)` or...
Essentials for Starting Cosmetic Formulation at Home
I'm interested in starting to formulate cosmetics at home. I understand the importance of cleanliness, a stable workspace, a scale, glass beakers, and a stirrer. Could you...
Source and Composition of Tween 80 and Tween 20 (Polysorbates)
What are Tween 80 and Tween 20 (Polysorbates), what are they made from, and where do the raw materials come from? For example, they are used in ice cream.
Potential Benefits of Cream Formulation for Acne, Brightening, and Anti-Aging
I have a cream formulation with the following ingredients: * Vit b3 * Kojic dipalmitate * Zinc gluconate * Tea tree oill * salicylic * Gs-vace (Vitamin A, C, E) * Teflose...
Formulating with LHA (Capryloyl Salicylic Acid) and Allantoin
I want to formulate a product containing both LHA (Capryloyl Salicylic Acid) and Allantoin. I was initially considering using LHA at a concentration of 10-20% in a water-based...
Ready-to-Use Stabilized Vitamin C Products
I am looking for ready-to-use stabilized Vitamin C products that do not require mixing. Could you suggest some options?
Inquiry about Laundry Detergent Formulation
What are the ingredients and formulation for making laundry detergent?