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Ingredients and Formulation for Cracked Heel Cream
I am looking for guidance on formulating a cream for cracked heels. The cream should address both exfoliation and deep moisturization. What types of ingredients are recommended...
Foam Pump Cleanser Formulation: Surfactants and Foaming
I am formulating a cleanser for a foam pump bottle. I have questions regarding the surfactant system: 1. Is the current surfactant ratio suitable for cleaning and generating...
Skincare Routine & Ingredient Suggestions for Teenage Oily/Combination Acne-Prone Skin
I am a teenager with oily/combination skin prone to hormonal acne, clogged pores, and inflammation. I need recommendations for a suitable skincare routine and specific...
Calculating SPF for Physical Sunscreen (TiO2, ZnO)
I want to formulate a physical sunscreen using Titanium Dioxide (TiO2) and Zinc Oxide (ZnO). I need to calculate the SPF value. I saw a link about SPF calculation before, but...
Adding Silicone to Sunscreen Formula for Spreadability
Can I add up to 5% silicone to a sunscreen formula to improve its spreadability?
Heating Water Phase with Melting Butter in Hot-Process Formulations
When using `Melting Butter (C10-18 Triglycerides)` in a formulation that utilizes a hot-process `cream maker` (emulsifier), is it necessary to heat the water phase? If so, what...
Formula for Cloudy Milky White Scalp Toner
Could you please provide a formula for a cloudy, milky white scalp toner?
Organic Shampoo and Conditioner Formulations for Specific Hair/Scalp Concerns
I would like to request organic formulations for the following hair care products: 1. Organic Shampoo (3 formulas): * Formula for hair loss reduction * Formula for oily hair...
Compatibility of Eye Preserved with Hyaluronic Acid and Allantoin
Can Eye Preserved (Polyaminopropyl Biguanide) be mixed with ingredients containing Hyaluronic Acid, such as bamboo mushroom jelly or Double Hyaluron Liquid? Are there...
Shower Foam Formulation with Chamomile: Adjusting Ingredients and Fragrance
I need assistance with a gentle, moisturizing Shower Foam formula containing Chamomile extract, suitable for dry and sensitive skin, and designed for a foam pump dispenser. I...
Heating Oil Phase for Cosmetic Formulation: Microwave vs. Water Bath for 70°C
What is the best method to heat the **Oil Phase** to **70°C** for cosmetic formulation? I tried using a **Microwave** with a stainless steel cup, but it didn't heat well. Is a...
Comparing BioSulphur EQ and Ichthammol for Rashes/Itching and Odor Control in Cream
I am interested in using ingredients for treating itching and rashes. I understand that BioSulphur EQ is a processed version of Ichthammol with less odor. My specific question...
Anti-aging serum formulation for oily skin: Base percentage, preservative dissolution, and fragrance
I am planning to make an anti-aging serum for oily skin with wrinkles and large pores. My proposed formulation includes **Silky Serum Base (Face/Eye)** at 35%. My mixing steps...
Suitability of Thyme Kill and Mild Preserved Eco as Preservatives for HP/CP Soap
Regarding the use of natural preservatives in HP (Hot Process) and CP (Cold Process) soap making: Are **Thyme Kill** (o-Cymen-5-ol) and **Mild Preserved Eco**...
Using Sodium Lactate in Hot Process Soap
When making Hot Process (HP) soap, I used liquid Sodium Lactate (ordered from myskinrecipes) by deducting its amount from the water used to dissolve the lye. I used a ratio of...
Using Penetration Enhancers in Skincare Formulas: Applications and Precautions
What are the applications of penetration enhancers like Tetrahydropiperine in skincare formulas, such as anti-wrinkle, exfoliation, and whitening products? Are there any...
Incorporating Protec UV into Water-Based Hair Spray for Hair Growth
I am developing a water-based, non-sticky hair spray formula for hair growth and reducing hair loss. The formula includes the following active ingredients: Biotin Express,...
Measuring pH of Stabilized Vitamin C Glycol
I measured the pH of Stabilized Vitamin C Glycol using pH paper and got a value of 4.5. However, the product information states the pH is 2-3. Why is there a difference in the...
Centrifuge Test for Product Stability and Shelf Life Simulation
Can the standard Centrifuge test (3,000 RPM for 30 minutes, potentially with warming to 40-45°C) be used to simulate or determine a cosmetic product's shelf life of...
Issues with BHA Gel Formulation: Solubility and Compatibility
I am trying to formulate a BHA GEL. Can this formula be made? I am also considering adding Mandelic Acid at 10%. My questions are: * Can Salicylic Acid be dissolved in...