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FDA Registration and pH Adjustment for Stabilized Vitamin C Serum
I am using the Stabilized Vitamin C (Natural-C Glycol™) Serum base. 1. Is it necessary to adjust the pH for FDA registration? 2. I used Triethanolamine to adjust the pH and...
Increasing Viscosity and Alternative Gelling Agents in Gel Cleanser
Can Sodium Lactate increase the viscosity of a facial cleansing gel using Xanthan Gum as the primary gelling agent? If I want to reduce the amount of Xanthan Gum while...
Difference between PEG-7 Glyceryl Cocoate and PEG-40 Hydrogenated Castor Oil Emulsifiers in Cream Formulation (HLB)
What is the difference between `PEG-7 Glyceryl Cocoate` and `PEG-40 Hydrogenated Castor Oil` when used as emulsifiers in a cream formulation? How does using one as the primary...
Questions on Ingredient Compatibility, Solubility, Emulsification, and Comedogenicity for Serum Formula
I have several questions regarding ingredients for a serum formula: 1. Can `Phytosphingosine SA` and `RETINAT™ (Starfish Extract)` be emulsified using `Water in Oil EZ`? 2. Is...
Using Aluminum Chlorohydrate Powder in Dry Underarm Formula
Can Aluminum Chlorohydrate powder ('Anti-Sweat') be used in a dry powder formulation for underarm deodorant/antiperspirant? How does it function in this type of formula?
Mixing Steps and Ingredient Modifications for Sunscreen Foundation Formula
Regarding the recommended silicone-based sunscreen foundation formula, I have the following questions: 1. What are the correct mixing steps for this formula, including the...
Differences and Usage of Lauryl Glucoside and Decyl Glucoside
What are the differences between Lauryl Glucoside and Decyl Glucoside, and how should they be used in formulations?
Perfume Formulation: Ingredients, Fixatives, and Dosage Calculation per Spray
Regarding perfume formulation, I have questions about the role of various ingredients and how to determine the correct dosage per spray. 1. What are the specific roles of...
Pure MSM vs BioSulphur: Properties, Usage, and Exfoliation
I have questions about Pure MSM and BioSulphur. * Are Pure MSM and BioSulphur the same type of sulfur? I understand Pure MSM has the chemical structure is `(CH3)2 SO2` where...
Rosemary Oleoresin Extract (ROE) Stock Inquiry
When will the product **Rosemary Oleoresin Extract (ROE)** be back in stock?
Skincare after stopping steroid cream: Recommended ingredients and DIY formulations for comedones and barrier repair
After stopping steroid cream, my facial skin developed comedones and became sensitive. I understand that high-alkaline bar soaps like glycerin soap are not suitable and that pH...
Comparison of Cooling and Warming Agents: Lip Cool, Cool Touch, and Chili Hot
What is the difference between Lip Cool, Cool Touch, and Chili Hot? Which one is suitable for use in a cooling lip product, and what is the recommended usage rate for the...
Serum Formulation for Acne-Prone, Oily, Dry, Sensitive Skin with Anti-Aging
I have combination skin (dry with oily T-zone), which is also sensitive and prone to clogged and inflamed acne. I am looking for a serum formulation that provides moisture,...
Shelf life of shampoo with Phenoxyethanol SA (Optiphen Plus)
What is the shelf life of shampoo when using Phenoxyethanol SA (equivalent to Optiphen Plus) as a preservative? What factors influence the shelf life, and what testing is...
Review and Questions about Whitening Cream Formula
Please review my whitening cream formula and advise on the following: 1. Can this formula be used? 2. Is the mixing method correct? 3. Should pH be measured? 4. If I mix Butter...
Analysis of Proposed Skincare Gel Formula with Reshape Gel
I am formulating a skincare gel using Reshape Gel and would like to know if the following proposed formula will achieve the desired properties of hydration, moisture, reduced...
Mixing Alpha Arbutin and Vitamin C into Existing Lotion/Serum
Based on the provided information, I would like to clarify the process and considerations for adding active ingredient powders to existing cosmetic bases: 1. Can Alpha Arbutin...
Natural Preservatives and Foaming Agents for Kaffir Lime and Ginger Shampoo
I am formulating a natural kaffir lime and ginger shampoo and plan to use baking soda. What are suitable natural preservatives and foaming agents (surfactants) that are safe,...
Pomade Formulation using Beeswax
How to formulate a pomade using natural beeswax, adapting a formula that uses Microcrystalline Wax, Lanolin Natural, various oils, and Oil Blender? What is a guideline formula...
Using Tamanu Oil for Acne Scars and Redness: Direct Application vs. Formulation
Can Tamanu Oil be applied directly to the face to help with acne scars and redness? Is this method effective, or is it better to use Tamanu Oil in a formulation, for example,...