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Storing Vitamin C Serum in Amber PET Bottles

Can Vitamin C serum be stored in an amber PET plastic bottle if I don't intend to store it for a long time, only enough for about 1 week's use, and then mix a new batch?

Cosmetics Light Sensitivity Packaging Serum Stability Storage Conditions
Posted by zatarnzatarn
2017-09-21
Essence Formulation Feedback and Recommendations

I am developing an essence formulation for skin brightening, strengthening, and moisturizing. My formula includes 30% Galactomyces Ferment Filtrate (Pitera), Safe-B3™, and...

Cosmetics Essence Formula Review Gel Preservation Skin Brightening
Posted by saowalakyomlar
2017-09-20
Incorporating Protec-OX into C E Ferulic (Oil-Free) Formula

How can I incorporate oil-soluble Protec-OX into a water-based C E Ferulic formula without causing turbidity? The staff suggested using Laureth-23.

Cosmetics Clarity Emulsifier Serum Solubility Water-based Formulation
Posted by jn_andy
2017-09-20
Gentle Cleansing Agents and Preservatives

Based on the provided information, I am looking for very gentle cleansing agents and preservatives. I would like to know if **Lauryl Glucoside** or **Sodium Cocoyl Glycinate /...

Cosmetics Gentle Formulation Ingredient Comparison Ingredient Selection Preservation Surfactant
Posted by nattyhahey
2017-09-20
Pre-mixing Water with Preservative

Can I pre-mix water with a preservative like `Phenoxyethanol SA (eq. Optiphen Plus)` at 1% concentration and store it for later use in skincare formulations? If so, how should...

Cosmetics Cosmetic Formulation Mixing Procedure Preservation Storage Conditions Water-based Formulation
Posted by nid.544595
2017-09-20
Creating Water-Breaking Texture for Body Gel/Cream using Silky Serum Base

How can I create a "water-breaking" texture for a body gel/cream? The staff mentioned this texture is a water-in-silicone structure and suggested using Silky Serum Base. What...

Cosmetics Body Application Gel Glitter Water Break Texture Water-in-Silicone
Posted by chetsoi.cs
2017-09-20
Using Oil Milk Formula as a Bath Soak

Based on the formula of 80% natural oil and 20% Oil Milk™, I have the following questions about using it as a bath soak: * Can this formula be used as a bath soak? * If used as...

Cosmetics Bath Application Coloring Fragrance Oil-based Formulation Skin Irritation
Posted by pawarisa.se
2017-09-20
Using Honey in Cosmetic Formulations: Solubility, Stability, and Preservation

I would like to develop cosmetic formulas (hair conditioner, skin cream, lotion) using honey as a natural treatment and moisturizer. I have several questions: 1. Can honey be...

Cosmetics Cosmetic Formulation Microbial Contamination Preservation Solubility Stability
Posted by akakkoii
2017-09-20
Alpha Arbutin + B3 Serum Formulation: Clear vs. Opaque Texture

I have revised my Alpha Arbutin + B3 serum formula. Could you please review its suitability and advise on the expected texture and mixing procedure? Ingredients: * Distilled...

Cosmetics Serum Silicone-based Formulation Skin Brightening Texture Water-in-Silicone
Posted by tantip732
2017-09-19
Formula Evaluation for Sensitive, Acne-Prone Skin with Melasma

User with sensitive, acne-prone skin and dark melasma on cheeks asks for an evaluation of the following formula regarding the risk of irritation and clogged pores, and its...

Cosmetics Acne-prone Skin Clogged Pores Cream Melasma Treatment Sensitive Skin
Posted by w_prae
2017-09-19
Self-Tanning Formulation for Face/Body and Adding Color Pigments

Regarding a self-tanning formulation using the following ingredients: * Water * Ethoxydiglycol * DHA * Easy Tan * Pro Polymer * Mild Preserved Eco * Aloe Vera Extract * Rice...

Cosmetics Coloring Cosmetic Formulation Ingredient Interaction Self-tanning Texture
Posted by anna.thanchanok
2017-09-19
Water Body Serum Formulation and Acne Treatment Inquiry

I want to make a water-based body serum for dry skin, hydration, and possibly firmness. I plan to use the following ingredients: * Aloe Vera extract * Grape Seed extract *...

Cosmetics Acne Treatment Body Application Cosmetic Formulation Hydration Serum
Posted by anna.thanchanok
2017-09-19
Adjusting Cream Formulation for Acne-Prone Skin

I previously mixed a cream according to your recommended formula, which worked well for strengthening my skin barrier and resolving sebderm, dryness, and sensitivity. The...

Cosmetics Acne Treatment Clogged Pores Cream Ingredient Selection Oil Control
Posted by wisediq
2017-09-19
Serum Formulation Review: Vitamin C Issues and New Anti-Aging/Whitening Formula

I previously tried a Vitamin C serum that had mixing issues (possibly related to Hyaluronic Acid solubility) and caused a skin reaction (redness, dryness, flaking), suggesting...

Cosmetics Formulation Adjustment Ingredient Interaction Sensitive Skin Serum Skin Irritation
Posted by issaree.t5515
2017-09-18
Glycerin Soap Formula with BioSulphur and Ichthammol for Acne

I want to make a glycerin soap for acne treatment. How should I use BioSulphur™ and Ichthammol in the formula? What are the recommended usage percentages and mixing instructions?

Cosmetics Acne Treatment Bar Soap Oil Control Redness Reduction Wash-off Application
Posted by mayphakphion
2017-09-18
Formulation Check for Whitening Face Cream

I want to make a whitening face cream using the following ingredients and percentages. Is this formulation possible? * Safe-B3 5% * n-acetyl glucosamine (GlucoBright™) 4% *...

Cosmetics Cosmetic Formulation Cream Facial Use Formulation Feasibility Skin Brightening
Posted by thaisorn_katay
2017-09-18
Vitamin C for Chlorine Removal After Swimming

Can Vitamin C be used to remove chlorine from the body after swimming?

Cosmetics Body Application Chlorine Removal Effectiveness Ingredient Function Ingredient Suitability
Posted by pikkynan
2017-09-18
Feasibility and Stability of Serum with Alpha Arbutin, L-Ascorbic Acid, and Hyaluron

Can the following ingredients be combined into a serum formulation? * Alpha Arbutin 2% * Double Hyaluron Liquid 2% * L-ascorbic acid (ultra fine) 3% * Ethoxydiglycol 2% *...

Cosmetics Formulation Feasibility Serum Skin Brightening Stability pH Compatibility
Posted by thaisorn_katay
2017-09-18
Cream Formulation: Ingredient Compatibility, Texture, and Stability Issues

I previously made a cream formula (presumably for acne spot treatment, as it involved Salicylic Acid/BHA) without `Encapsulated Salicylic Acid (Timed Release BHA)`. After about...

Cosmetics Compatibility Cream Formulation Adjustment Stability Texture
Posted by nanosecond19
2017-09-18
Antioxidants and Emulsifiers in Pomade Formulation

I am formulating a pomade and have two questions: 1. What is the recommended usage rate and heat stability of using `Tocopheryl Acetate` as an antioxidant in a formula...

Cosmetics Antioxidant Emulsifier Heat Stability Pomade Skin Irritation
Posted by ammez.info
2017-09-18