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Homemade Serum Without Preservative: Storage Outside Fridge

Regarding the following homemade serum formula (approximately 60 ml total): * Hyaluronic Acid * B3 * Centella Asiatica extract * PCA * Urea * Glucosamine * Bisabolol *...

Cosmetics Microbial Contamination Preservation Serum Stability Storage Conditions
Posted by playplants
2013-07-06
Kanebo Recall and Important Considerations for Ingredient Selection

Following the news about Kanebo recalling products due to the ingredient 4HPB (4-Hydroxypropylamino-3-Nitrophenol) causing skin issues, I would like to share some thoughts on...

Cosmetics Effectiveness Ingredient Safety Ingredient Selection Safety Skin Irritation
Posted by cosmeceutical7
2013-07-05
Adding Glutathione to Skinceuticals C E Ferulic Serum for Stability and Whitening

I would like to ask if it is possible to add Glutathione to the Skinceuticals C E Ferulic serum formula. If so, what would be its effect, particularly regarding skin whitening...

Cosmetics Antioxidant Formulation Adjustment Serum Skin Brightening Stability
Posted by phoom_au
2013-07-05
Eye Cream Formulation for Dark Circles and Wrinkles

I am developing a comprehensive eye cream formulation targeting dark circles and fine lines. My proposed formula includes the following ingredients and percentages: *...

Cosmetics Dark Circles Reduction Eye Cream Formulation Adjustment Usage Percentage Wrinkle Reduction
Posted by phoom_au
2013-07-05
Formulating Eye Gel (Peptides, B3, GlucoBright) and EGCG Toner

I am attempting to formulate two products: 1. **Eye Gel:** Using the following ingredients: * REGU®-AGE (Product ID: 211) * Pep®-Eye (Acetyl Tetrapeptide-5) (Product ID: 8181)...

Cosmetics Compatibility Cosmetic Formulation Eye Care Gel Toner
Posted by aey.arisa
2013-07-05
Review and Questions on Skin Brightening Cream and Lotion Formulas

I have developed formulas for a Day Cream, Night Cream, and Body Lotion aimed at skin brightening. I would like to ask for a review and clarification on the following points:...

Cosmetics Cream Lotion Skin Brightening Texture pH Adjustment
Posted by atipkrairit
2013-07-04
Homemade Gel Formulation: Ingredient Compatibility, Odor, and Thickeners

I have created two gel formulas and have some questions about them: **Formula 1: Anti-Aging Gel** * Aloe Vera Gel (Base) * Green Tea Extract EGCG 3% * Gotu Kola (Centella...

Cosmetics Compatibility DIY Formulation Gel Gelling Agent Odor
Posted by oat_tvdr
2013-07-04
Using Water-Soluble Vitamin C (MAP/SAP) with Water: Solubility, Stability, and Usage

How to use Magnesium Ascorbyl Phosphate (MAP) or Sodium Ascorbyl Phosphate (SAP) with water? Are they water-soluble? What are the recommendations for storage, mixing amount,...

Cosmetics Serum Solubility Stability Usage Percentage pH Adjustment
Posted by t.jirahirunsathien
2013-07-03
Formulating Eye Care, Daytime Gel for Oily Skin, and Nighttime Gel for Dry Skin

I would like advice on formulating three different cosmetic products: 1. **Eye Area Care:** To address dark circles, puffiness, lack of firmness, and sagging under the eyes,...

Cosmetics Eye Care Formulation Adjustment Gel Oily Skin Skin Dryness
Posted by noochupnew
2013-07-03
pH of Facial Formulation and Adjustment

Based on the pH of individual ingredients, what will be the final pH of my formulation, and how should I adjust the pH if necessary?

Cosmetics Facial Use Formulation Adjustment pH Adjustment pH Measurement pH Suitability
Posted by antc.aon
2013-07-03
Whitening Face Cream and Body Lotion Formulations and Mixing

Based on the previous discussion and feedback, I have finalized the following formulas for a whitening face night cream and a whitening body lotion. Could you please confirm if...

Cosmetics Cosmetic Formulation Cream Ingredient Interaction Lotion Skin Brightening
Posted by atipkrairit
2013-07-02
Mixing Azelaic Acid into Olay Essence and Usage

Can I mix Azelaic Acid into the product **Olay White Radiance Cellucent White Essence Water**? If so, do I need to add additional anti-irritant ingredients?

Cosmetics Azelaic Acid Essence Ingredient Addition Nighttime Use Skin Irritation
Posted by noochupnew
2013-07-02
Usage and Compatibility of Vitamin C, BHA, and Azelaic Acid Serums

I have questions regarding the usage and compatibility of Vitamin C, BHA, and Azelaic Acid in my skincare routine: 1. If I use a homemade Vitamin C serum with a concentration...

Cosmetics Azelaic Acid BHA Compatibility Photosensitivity Vitamin C
Posted by phoom_au
2013-07-01
Formulation Advice for Combination/Oily, Acne-Prone Skin: Gel, Serum, Toner, Shelf Life, and Firmness

I am developing skincare products for combination skin that is oily and prone to clogged pores in the morning, but dry at night. My concerns are dullness, acne breakouts, and I...

Cosmetics Acne Treatment Formulation Adjustment Oily Skin Serum Toner
Posted by noochupnew
2013-07-01
Troubleshooting Lumps in Cold Process Cream with Sodium Polyacrylate (Cosmedia SP)

I am formulating a cream using the cold process method with Sodium Polyacrylate (like Cosmedia SP) as the thickener and emulsifier. My formula includes 10% Limnanthes alba seed...

Cosmetics Clumping Cold Process Formulation Cream Formulation Adjustment Texture
Posted by annasakulratch
2013-07-01
Formulation and Mixing Method for Silicone Cream with Azelaic Acid, Vit B3, and NAG

Could you please provide a stable formulation and detailed mixing instructions for a silicone-based cream containing Vit B3, NAG, and Azelaic Acid? I plan to use ingredients...

Cosmetics Acne Treatment Cream Formulation Adjustment Silicone-based Formulation Skin Brightening
Posted by nuyo_boom
2013-06-29
Follow-up Questions on Multiple Cosmetic Formulas

I am seeking further advice on several cosmetic formulas I am developing, based on previous guidance received. I want to ensure the formulas are suitable before ordering...

Cosmetics Formulation Adjustment Hair Treatment Peeling Effect Scar Treatment Sensitive Skin
Posted by siranant.pooliam
2013-06-28
Achieving Butter Texture for Hand Cream with Gotu Kola

I want to make a hand cream with a thick butter texture using Avocado Oil, Shea Butter, and Gotu Kola. My current formula gives a cream texture. How can I adjust the...

Cosmetics Butter Texture Cream Formulation Adjustment Natural Extract Solubility
Posted by forme452
2013-06-27
Serum Formulation: Texture Issues and Alternative Anti-Aging/Brightening Ingredients

I am formulating a serum and have some questions about the texture and alternative ingredients. 1. When applied, the serum feels a bit viscous/sticky. Is this mainly due to...

Cosmetics Anti-aging Formulation Adjustment Serum Skin Brightening Texture
Posted by kc76571
2013-06-27
Clarification on Betaine, Natural Betaine, and Aminocoat

Could you please clarify the relationship between Betaine, Natural Betaine, and Aminocoat? What are the properties and benefits of Natural Betaine, and in what forms is it available?

Cosmetics Betaine Foaming Humectant Solubility Soothing Effect
Posted by bf.vrata
2013-06-26