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Cream Formula for Acne, Marks, Melasma, Freckles & Scars: Texture and Ingredient Advice

I am developing a cream formula targeting acne, acne marks, melasma, freckles, and acne scars. My intended formula includes: * Azelaic Acid * Safe-B3 (Niacinamide) *...

Cosmetics Acne Scars Acne Treatment Cream Melasma Treatment Non-sticky Texture
Posted by chetsoi.cs
Homemade Toner Spoilage and Adding Fragrance/Tea Tree Oil

I made a toner using the following ingredients: * Witch Hazel 96.2g * Encapsulated Salicylic Acid (Liquid, Timed-Release) 3.3g * Preservative 0.5g I used it last night and...

Cosmetics Fragrance Preservation Solubilizer Stability Toner
Posted by tinnaponn
Storing Acidic Vitamin C Serum in Smaller Plastic Bottles

I am planning to divide my concentrated Vitamin C serum into smaller bottles, possibly using bottles from your website. I am concerned about whether the plastic bottles,...

Cosmetics Acidic Formulation Material Suitability Packaging Serum Stability
Posted by peeya_pgi
Mixing Pitera, Snail Filtrate, Yeast Radiance & Ingredient Suggestions for Combination Skin/Large Pores

I would like to know if I can mix Pitera, Snail Secretion Filtrate, and Yeast Radiance together without using heat. Also, could you recommend other ingredients suitable for...

Cosmetics Combination Skin Compatibility Oil Control Pore Reduction Serum
Posted by mamipokoplants
Comparison of Alpha Arbutin and Azelaic Acid Functions and Combined Use in Acne Cream

What are the differences in function between Alpha Arbutin and Azelaic Acid? Can they be used together in an acne cream formulation?

Cosmetics Acne Treatment Clogged Pores Cream Oil Control Skin Brightening
Posted by peeya_pgi
Sunscreen Formulation Procedure Review (W/O Emulsion)

Review of Sunscreen Formulation Procedure: Is the following procedure correct for a formula containing SPF Protect Ultra™ II, Zinc Oxide 35nm Liquid, Water Capsule, Satin Cream...

Cosmetics Emulsifier Emulsion Type Mixing Procedure Stability Sunscreen Formulation
Posted by wisediq
Adding Sunscreen Ingredients to Lotion Base and SPF Calculation

I want to add the following sunscreen ingredients to a body lotion base: * Zinc Oxide 200nm EasyDisperse™ at 25% * Avobenzone at 5% My goal is to achieve SPF 50. Is it possible...

Cosmetics Lotion Mixing Procedure SPF/PA Testing Sun Protection Sunscreen Formulation
Posted by ssper1997
Modifying Stabilized Vitamin C for FDA & Texture

Based on the information that the Stabilized Vitamin C product cannot be modified except for fragrance and color, and the pH does not meet FDA requirements, what is the...

Cosmetics Gel Regulatory Compliance Serum Texture Modification Thickener
Posted by diyskincare888
Solubility and Stability of Actives in Squalane for Facial Application

I am trying to dissolve four active ingredients in Squalane for a facial application. I have the following questions: 1. For ingredient #3 (Blueberry Pterostilbene), it was...

Cosmetics Facial Use Oil-based Formulation Solubility Stability Texture
Posted by jn_andy
Solubility of CoolTouch (Menthyl Lactate) in Alcohol

Is CoolTouch (Menthyl Lactate) soluble in alcohol?

Cosmetics Alcohol Formulation Cooling Sensation Solubility
Posted by jing.jing.jg
Combining Rose Hip Oil with other oils and reducing Argan Oil odor

I want to mix Rose Hip Oil with other natural oils. Can I add oil-soluble active ingredients? How can I formulate an oil blend to address acne inflammation, wrinkles, and...

Cosmetics Acne Treatment Compatibility Odor Reduction Serum Skin Brightening
Posted by sarumboyy
Primer Formulation with Silicone Ingredients

When formulating a primer, can `Silicone Blend` be used as a substitute for `Cyclomethicone` and `Dimethicone`? The staff provided a sample primer formula using multiple...

Cosmetics Cosmetic Formulation Ingredient Alternatives Primer Silicone-based Formulation Texture
Posted by lookpladancer
Liquid Lipstick Formula Analysis: Long-Wear & Non-Drying

I have a liquid lipstick formula with the following ingredients: * Isododecane * Trimethylsiloxysilicate * Dimethicone * Bentone Gel * Fumed Silica (2.5%) * Synthetic Beeswax *...

Cosmetics Formula Review Ingredient Function Liquid Lipstick Long-lasting Non-sticky Texture
Posted by r.secretheart
Suitability of Facial Mist/Serum Formula with High Extract Concentration for Sensitive Skin

I have created a facial mist/serum formula with the following ingredients and concentrations: * Ume Extract: 10% * Witch Hazel * Willow Bark Extract I intend to use this as a...

Cosmetics Mist Sensitive Skin Serum Skin Irritation Usage Percentage
Posted by sarutaya1812
Copper Peptide Serum Formulation, Penetration Enhancer, and Using with Vitamin C

Regarding a Copper Peptide serum formulation, I have the following questions: 1. If using the following formula: * Distilled Water 99% * Hyaluronic Standard 0.5% * Hyaluronic...

Cosmetics Cosmetic Formulation Ingredient Interaction Penetration Enhancer Serum Wrinkle Reduction
Posted by panithan.boo
Fragrance Oil Separation in Reed Diffuser Base Type 1

I am mixing fragrance oil at 40% with Reed Diffuser Base Type 1 at 60%, but the fragrance oil is separating from the base. How can I fix this issue, especially if I have...

Cosmetics Diffuser Base Formula Alternatives Phase Separation Reed Diffuser Solubility
Posted by enzyme_zf
Natural Lip Balm Stick Formulation with HyaCoat™ and Azela-Lip™

I would like a formulation for a natural lip balm stick that is nourishing but not overly greasy. I want to include the following ingredients: HyaCoat™ (Cationic Hyaluronic...

Cosmetics Lip Balm Natural Formulation Preservation Skin Brightening Stick
Posted by sirinan.ru
Penetration Enhancers for L-Carnosine with 1,2-Hexanediol

If a formula already contains 3% 1,2-Hexanediol, is it necessary to add Butylene Glycol, Ethoxydiglycol, or Laurocapram to enhance the penetration of L-Carnosine?

Cosmetics Ingredient Alternatives Ingredient Comparison Ingredient Function Ingredient Selection Penetration Enhancer
Posted by shoppingist
Compatibility of various ingredients with Copper Peptide

Can the following ingredients be used together with Copper Peptide? Are there any specific usage instructions or limitations for any of them? * Ume Extract * Yeast Resurface...

Cosmetics Anti-aging Compatibility Ingredient Selection Skin Brightening Usage Method
Posted by boe_boeing
Increasing Foam in Glycerin Soap Base

How can I increase the foam in a glycerin soap base? I am looking for an additive like Creamy Foamer™. What is the recommended usage percentage and mixing method?

Cosmetics Foaming Foaming Agent Glycerin Soap Base Melt and Pour Soap Base Soap
Posted by nupookca