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Testing Preservative Effectiveness in Formulations

How can I test the effectiveness of preservatives in a finished formula? What methods or simple tools can I use for self-testing, and if self-testing is not feasible, where and...

Cosmetics Challenge Test Laboratory Analysis Microbial Contamination Preservation Stability Testing
Posted by jn_andy
2018-08-07
Sunscreen Lotion Ingredient Alternatives

I am looking for ingredients Cetial AB, SunCat DE, Volasil 8515, and Euxyl 9010 for a sunscreen lotion formulation. Are these ingredients available, and if not, what...

Cosmetics Ingredient Alternatives Lotion Preservation Sun Protection Sunscreen Formulation
Posted by s_gae
2018-08-07
INCI Names for Centella Asiatica Extract and Other Ingredients

Could you please provide the INCI names for the following ingredients? * Centella Asiatica Extract * Non-Hazardous Solvent * C12-15 Pareth-12 * ETHYLHEXYL METHOXYCINNAMATE (Stabilizer)

Cosmetics INCI Name Ingredient Declaration Ingredient Identification Natural Extract Raw Material
Posted by nksbtc126
2018-08-06
Inquiry about Grapefruit Seed Extract as a Natural Preservative and Alternatives

I'm looking for a natural preservative and heard about Grapefruit Seed Extract. Do you sell Grapefruit Seed Extract for use as a preservative? If not, what natural...

Cosmetics Ingredient Alternatives Ingredient Function Ingredient Selection Natural Formulation Preservation
Posted by jn_andy
2018-08-06
Facial Cream Formula Review for Dark Spots, Wrinkles, and Normal-to-Dry Skin

I have formulated a facial cream with the following ingredients and percentages, aiming to reduce dark spots and wrinkles for normal-to-dry skin. Could you please review the...

Cosmetics Cream Formula Review Hyperpigmentation Skin Irritation Wrinkle Reduction
Posted by iampattarin
2018-08-06
Ingredient Compatibility in Aloe Vera Gel Base for Sensitive Skin

I want to formulate a product using a ready-made aloe vera gel base for sensitive skin. Can the following ingredients be used together in this base? I am particularly concerned...

Cosmetics Gel Ingredient Interaction Ready-to-use Formulation Sensitive Skin Skin Irritation
Posted by kantapitch.53
2018-08-06
Measuring Tools and Container Reuse for Beginners in Cosmetic Formulation

As a beginner in cosmetic formulation, what measuring tools are recommended (e.g., digital scale, beakers, measuring cylinders) and how should they be used for accuracy? Also,...

Cosmetics Amount Calculation DIY Formulation Mixing Procedure Packaging Sterilization
Posted by fonja10
2018-08-06
Liquid Soap Formula for Sensitive Skin

Could you provide a formula for a gentle, moisturizing liquid soap that leaves the skin feeling hydrated and slightly slippery after washing? The soap should have medium foam...

Cosmetics Formulation Examples Gentle Formulation Hydration Liquid Soap Sensitive Skin
Posted by jiraratklin812
2018-08-05
Beginner-Friendly Cold Process Body Cream for Dry Skin

I am looking for a beginner-friendly, easy-to-mix body cream formulation that does not require heat (Cold Process). The desired texture should be easy to spread, smooth,...

Cosmetics Cold Process Formulation Cream DIY Formulation Hydration Non-sticky Texture
Posted by bossanova.kt
2018-08-04
Understanding LipidSoft Fix and Oil Blender in a Microemulsion Cleanser

I am formulating a microemulsion cleanser with the following ingredients: * Grape Seed Oil * Jojoba Oil * Sweet Almond Oil * LipidSoft Palm * Oilsify 15 * LipidSoft Fix * Oil...

Cosmetics Emulsifier Ingredient Function Microemulsion Phase Separation Stability
Posted by sarutaya1812
2018-08-04
Substituting Mild Preserved Eco™ for Phenoxyethanol in Cosmetics

Can Mild Preserved Eco™ (Ethylhexylglycerin, 1,3 Propanediol) be used to replace Phenoxyethanol (Extra Pure) in cosmetic formulations such as cleansing oils, cleansing waters,...

Cosmetics Cleaning Water Cleansing Oil Cream Ingredient Alternatives Preservation
Posted by sarutaya1812
2018-08-04
Difference and Function of Cetearyl Alcohol and Cetostearyl Alcohol

Are Cetearyl Alcohol and Cetostearyl Alcohol the same ingredient? Please explain: * Their functions in cosmetic formulations (e.g., as **thickeners**, **stabilizers**,...

Cosmetics Emulsifier Ingredient Comparison Ingredient Function Texture Thickener
Posted by jn_andy
2018-08-03
Adjusting cream formula for lighter, non-sticky texture

Could you please review my formula and advise on necessary adjustments? I am trying to create a cream with a light, non-sticky texture, but the current result is thick and...

Cosmetics Cream Mixing Procedure Stickiness Sunscreen Formulation Texture
Posted by twofourplast
2018-08-03
Can Xanthan Gum Emulsify Oil for Cream-Gel Texture?

I am trying to create a light cream-gel texture for personal use with the following ingredients in the water phase: * Trans-Resveratrol (Powder, 98%) = 4% * WhiteCumin™ 2x = 4%...

Cosmetics Emulsifier Gel Phase Separation Stability Texture
Posted by khunchinz
2018-08-03
Ingredients for Soothing Mosquito Bites in Children

What cosmetic ingredients can be used in a balm or other skincare formulation to help soothe mosquito bites in children, as an alternative to medical treatments like...

Cosmetics Anti-inflammatory Balm Pediatric Usage Skin Irritation Soothing Effect
Posted by bhakornt
2018-08-02
Trans-Resveratrol Stability and Safety of Stabilizers with Penetration Enhancers

Regarding the stability of `Trans-Resveratrol` (Powder, 98%) and the use of quality stabilizing agents: 1. Does using quality stabilizing agents help slow down the degradation...

Cosmetics Antioxidant Formula UV Protection Ingredient Safety Penetration Enhancer Stability
Posted by khunchinz
2018-08-02
Physical Sunscreen Formulation: Texture, SPF, Reapplication, and Color Adjustments

I am developing a physical sunscreen formulation using the following ingredients: **Part 1 (Oil Phase):** * `Titanium Dioxide 15nm Liquid` 20% * `Zinc Oxide 35nm Liquid` 8% *...

Cosmetics Color Adjustment Physical UV Filter Stability Sunscreen Formulation Texture
Posted by khunchinz
2018-08-02
Questions on Natural Preservatives for Eye Area, Iron Oxide in Soap, GuarCat pH, and Vitamin C Serum Layering

I have some technical questions about several ingredients and formulations: 1. I purchased three natural preservatives: Thyme Care, PaeoniaPreserve, and NaturePreserve. I also...

Cosmetics Bar Soap Coloring Eye Care Preservation Product Layering
Posted by dearpoy
2018-08-01
Lightweight, Fast-Absorbing, Brightening Gel Body Moisturizer Formulation

I am trying to create a lightweight, fast-absorbing gel body moisturizer with brightening properties. My original formula contains the following ingredients: * Aqua * Glycerin...

Cosmetics Cream Gel Light Texture Skin Absorption Skin Brightening
Posted by nopporn.o
2018-08-01
Thickening and Formulating a Clear Herbal Shampoo

I am formulating a clear herbal shampoo with a pH of 4.81-4.86. The formula currently uses raw materials EMAL and SLS and is a clear liquid. I want to make it slightly thicker...

Cosmetics Clarity Gentle Formulation Preservation Shampoo Thickener
Posted by orchimex
2018-08-01