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Mixing and Storing Rose Hip Oil Blend

I have Rose Hip Oil and want to mix it with `grape seed oil` and `sweet almond oil` for skin application. 1. Can I mix them together directly for skin application? 2. Will the...

Cosmetics Ingredient Addition Oil Preservation Shelf Life Storage Conditions
Posted by poohdislers
DMAE Toner Formula: Stickiness, Penetration Enhancers, and Absorption

Regarding my revised toner formula containing a high concentration of DMAE and using 10% Ethoxydiglycol as a penetration enhancer, I have the following questions: 1. Will the...

Cosmetics Formulation Adjustment Penetration Enhancer Skin Absorption Stickiness Toner
Posted by fewruko
Inquiry about adding Activated Resorcinol to Tester Formulations

Can activated resorcinol be added to tester formulations?

Cosmetics Formulation Adjustment Ingredient Addition Ingredient Suitability Product Suggestion Tester Product
Posted by rapinpuch
Urea Cream Formulation and Stability for Cracked Heels

# Urea Cream Formulation for Cracked Heels I would like a simple formula for a Urea cream for cracked heels. The formula should include: 1. Urea 20% - 30% (Note: Urea...

Cosmetics Cracked Heels Cream Formulation Adjustment Stability pH Adjustment
Posted by poohdislers
Questions about Vit C E Ferulic Kit and Digital pH Meter Cleaning

I have two questions: 1. Regarding the Vit C E Ferulic kit: * What is the shelf life after mixing? Can it last 1-2 years, as I plan to take it abroad? * Can I add other...

Cosmetics Cleaning Equipment Ingredient Addition Serum Stability
Posted by monrada16
Classification of Ingredients into Active and Base Components

Could you please help classify the following list of ingredients from a cosmetic product into **Active Ingredients** and **Base Ingredients**? Here is the ingredient list: *...

Cosmetics Active Ingredient Cosmetic Formulation Cream Ingredient Analysis Ingredient Classification
Posted by b.thitaree
Formula Analysis and Recommendations for Dry Skin Lotion

I am developing a lotion formula for dry skin with the following ingredients and percentages: * Grape Seed Oil, Rice Bran Oil, Extravirgin Olive Oil (total 5%) * Shea Butter...

Cosmetics Compatibility Formulation Adjustment Lotion Skin Dryness Stability
Posted by pye_pye
Analysis of DIY Moisturizer Formula for Sensitive Skin

I would like the team to help analyze my formula. My skin is very fair and sensitive. I am over 30, work in an office, drive, and am not exposed to much sun or pollution....

Cosmetics DIY Formulation Formula Review Sensitive Skin Skin Irritation Stability
Posted by the_dawn_1999
Using Iron Oxides Red in Water-Based Lip Tint and Melasma Concern

I want to make a water-based lip tint similar to Uthai Thip. I'm concerned about using the type of food coloring traditionally used in Uthai Thip because I read online that it...

Cosmetics Dispersion Ingredient Suitability Lip Tint Stability Water-based Formulation
Posted by preme9294
Skincare Formula Review: Serum and Moisturizer

Regarding the topic "Review skincare formulas for me", I have two formulas: **Serum Formula:** * `Double Hyaluronic Liquid 0.1%` * Other ingredients (not specified in the...

Cosmetics Combination Skin Formulation Adjustment Ingredient Suitability Texture Viscosity
Posted by fewruko
Using Vinegar (Acetic Acid) in Cosmetic Formulations: Challenges and Effectiveness

Could you please explain the feasibility, benefits, and challenges of using vinegar (specifically Apple Cider Vinegar) in cosmetic formulations? How does its effectiveness...

Cosmetics Formulation Feasibility Ingredient Comparison Preservation Stability pH Adjustment
Posted by phafaii0606
Mercury and Steroids in Cosmetics: Detection, Effects, and Safety

I am concerned about Mercury and Steroids in cosmetics, especially after using a prescribed steroid cream from an acne clinic for a limited time. Could you please provide...

Cosmetics Ingredient Detection Ingredient Safety Mercury Skin Irritation Steroids
Posted by the_dawn_1999
Silicone-Free, Non-Comedogenic Sunscreen: Balancing Easy Wash-off and Longevity

I am developing a silicone-free, non-comedogenic sunscreen SPF 32 using Zinc Oxide. My goal is a formula that is both easy to wash off and long-lasting, but I understand these...

Cosmetics Easy Rinsing Non-comedogenic Silicone-Free Sunscreen Formulation Waterproof
Posted by fewruko
Calculating Ingredient Percentages by Weight for Cosmetic Formulas

How to calculate ingredient quantities for a cosmetic formula based on percentages, such as 30% total ingredients and 70% water, to make a specific amount like 100 grams or 50...

Cosmetics Amount Calculation Cosmetic Formulation Cream Ingredient Ratio Weight and Volume
Posted by da_roof
Sunscreen Formulation Issues: Clogged Pores and Packaging Compatibility

I am developing a sunscreen formulation using Zinc Oxide 200nm EasyDisperse™ and Titanium Dioxide 200nm EasyDisperse™ (both silicone-coated). I have encountered two issues: 1....

Cosmetics Clogged Pores Packaging Sunscreen Base Sunscreen Formulation Washability
Posted by pantawan_kantiyatep
Coloring Oil-Based Formulations (Microcrystalline Wax)

Can water-soluble food coloring be used to color a formulation containing Microcrystalline wax dissolved in oil?

Food Coloring Compatibility Oil-based Formulation Solubility
Posted by himyangel
Mixing Stretch Mark Cream with Shea Butter and Oils

How can I mix a stretch mark cream using Shea Butter, Jojoba Oil, and Apricot Oil? Can Rose Hip Oil also be added?

Cosmetics Cream Mixing Procedure Oil Oil-based Formulation Stretch Mark Reduction
Posted by nk_siam
Preservatives and Suitability of Sea Kelp Bioferment and Lanolin as Cream Base

I have questions regarding using **Sea Kelp Bioferment** and **Lanolin Natural / Synthetic Lanolin** as a cream base: 1. Does the **Sea Kelp Bioferment** sold by the company...

Cosmetics Cosmetic Formulation Cream Gel Ingredient Suitability Preservation
Posted by fewruko
Using L-Ascorbic Acid with Copper Peptide (GHK-Cu)

Can L-Ascorbic Acid and Copper Peptide (GHK-Cu) be used together in a skincare routine, considering their different optimal pH ranges? If they are applied sequentially, is...

Cosmetics Compatibility Effectiveness Loss Ingredient Interaction Peptide pH Suitability
Posted by awanichm
Favorite DIY Ingredients and Formulas Shared by MySkinRecipes Users

What are your favorite DIY cosmetic ingredients and formulas, and what benefits have you observed from using them?

Cosmetics Acne Treatment Anti-aging Custom Formulation Effectiveness Ingredient Suggestion
Posted by meimeiriddhiraksa