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Stability of Ascorbyl Tetraisopalmitate at Low pH

Why is Ascorbyl Tetraisopalmitate unstable below pH 5, and how can it be stabilized, especially when formulating a serum combining it with L-ascorbic acid at low pH?

Cosmetics Acidic Formulation Chelating Agent Compatibility Serum Stability
Posted by rafecth
Comparison of Hydroxypinacolone Retinoate and Retinyl Retinoate

What are the differences between Hydroxypinacolone Retinoate and Retinyl Retinoate, and which one is better in terms of efficacy, stability, and skin irritation?

Cosmetics Active Ingredient Performance Effect Skin Irritation Stability
Posted by kakurasaku
Dissolving Oakmoss Absolute in Alcohol

When trying to dissolve Oakmoss Absolute in alcohol, it does not fully dissolve and forms clumps. What causes this, and how can the issue be resolved?

Cosmetics Heat Stability Mixing Procedure Raw Material Solubility Solvents
Posted by kosmos_kay
Function of Magnesium Chloride in Water-Based Serum

What are the functions of Magnesium Chloride when added to a water-based serum formulation?

Cosmetics Serum Stability Texture Viscosity
Posted by sakul_wudangzhan
Adjusting Serum pH with Sodium Hydroxide

When adjusting serum pH with sodium hydroxide (NaOH), how long should one wait before using the serum, and how does this compare to the curing time for natural soap? Also, how...

Cosmetics Mixing Procedure Safety Serum pH Adjustment
Posted by nonthipat.s
How to achieve extra smooth cream texture

How can I make my face cream, which already contains 4% Cyclopentasiloxane, exceptionally smooth? What ingredients are recommended to achieve this super smooth texture?

Cosmetics Cream Slip Texture
Posted by sakul_wudangzhan
Role and Benefits of Maltobionic Acid (PHA) in Skincare

What is the role of Maltose in cosmetics, and what are the benefits of its derivative, Maltobionic acid (PHA), in skincare formulations?

Cosmetics Antioxidant Exfoliation Hydration Polyhydroxy Acid (PHA) Wrinkle Reduction
Posted by sakul_wudangzhan
Substitute for PEG-60 Hydrogenated Castor Oil

What is a suitable substitute for PEG-60 Hydrogenated Castor Oil with similar properties, and how should it be mixed?

Cosmetics Ingredient Alternatives Mixing Procedure Oral Application Solubilizer Surfactant
Posted by sakul_wudangzhan
Creatine 100 for Eyebrows/Eyelashes and Preservatives for Eye Area Products

Can Creatine 100, which benefits hair, be used to moisturize and condition eyebrows and eyelashes, and what is the suitable usage percentage (0.5% or 1%)? Also, is 'Mild...

Cosmetics Conditioning Eye Care Hydration Preservation Usage Percentage
Posted by nonthipat.s
Making Cleansing Balm: Beginner's Guide

As a beginner in cosmetic formulation, I would like to know how to make a cleansing balm. Could you please provide guidance on the essential ingredients and basic mixing steps?

Cosmetics Cleansing Balm Emulsifier Mixing Procedure Raw Material Texture
Posted by tiktattoo
Starting Ingredients for Reusable Eyelash Glue

What are some starting ingredients or ideas for formulating a reusable eyelash glue with properties similar to Band-Aid adhesive, focusing on film formers?

Cosmetics Adhesion Film Former Flexibility Performance Effect Reusable Adhesive
Posted by margo.gurnitsky
Cleansing Balm Formulation Guide (Natural Oil-Free) using PEG-8 Glyceryl Isostearate

Could you provide a guide for formulating a gentle cleansing balm that is natural oil-free, uses PEG-8 Glyceryl Isostearate as a key ingredient, and is effective for removing...

Cosmetics Cleansing Balm Custom Formulation Emulsifier Oil Solubilizer
Posted by touchzhakornxx
Reducing Gel Stickiness While Maintaining Clarity

How can I reduce the stickiness of a gel formulation while ensuring it remains clear and doesn't become cloudy? Please recommend suitable ingredients.

Cosmetics Clarity Gel Texture Modification
Posted by blaisecosmeticcenter
Inquiry about Cleansing Balm Formulation

I am new to making cosmetics and would like to request a formulation recipe for a cleansing balm.

Cosmetics Cleansing Balm Custom Formulation
Posted by tiktattoo
Dissolving 4-Butylresorcinol: Methods for Powder and Encapsulated Forms

What is the correct method and step for dissolving 4-butylresorcinol in a formulation, considering different forms like powder (e.g., Activated Resorcinol™) and encapsulated...

Cosmetics Encapsulation Mixing Procedure Powder Solubility Stability
Posted by artinyarit01
Alternative Solvents for Solid Fragrance Ingredients in Perfume

When formulating perfume using solid fragrance ingredients like Musk Ambrette and Celestolide, crystallization occurs when dissolved in alcohol. Are there alternative solvents...

Cosmetics Crystallization Fragrance Formulation Perfume Solubility Solvents
Posted by thanamesh.olanchaikit
Country of Origin for Ginkgo Extract

How can I find the country of origin for a purchased Ginkgo extract when the Certificate of Analysis (CoA) does not specify it?

Cosmetics Ingredient Origin Raw Material
Posted by busarin44
How to Prevent Cloudy Perfume When Mixing with Alcohol

How can I prevent or fix cloudiness when mixing clear fragrance oil with 99% alcohol? Are there alternative solvents besides alcohol or oil that can keep the perfume clear?

Cosmetics Co-solvent Perfume Solubility Solvents Turbidity
Posted by kosmos_kay
Skin Feel (Silicone Alternative) and Natural Phospholipid Emulsifier Usage

Comparing the skin softening feel between WaterSoft and Yerba Santa Protein (as a silicone alternative), and asking about the usage of PhosphoMax™ natural phospholipid...

Cosmetics Emulsifier Lotion Mixing Procedure Silicone-Free Texture
Posted by contact
Tone-Up Body Wash Formulation: Titanium Dioxide Coverage and Stability

Seeking advice on formulating a tone-up body wash with acne treatment properties. Using a formula with Water, Soft Cream Maker, Sweet Almond Oil, Glycerin, Methyl Gluceth-20,...

Cosmetics Coverage Dispersion Phase Separation Shower Cream Tone Up
Posted by bopuncharat