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Cream Causing Skin Dryness and Tightness

After starting to use a certain cream daily, my skin has become dry and tight, and fine lines appear slightly more visible. Before using this cream, my skin was fine. I also...

Cosmetics Cream Skin Dryness Skin Irritation Skin Tightness Texture
Posted by jackchai_tt
2016-05-07
Stabilized Vitamin C Serum: Water Contamination and Stability

Regarding the Stabilized Vitamin C (Natural-C Glycol™) Serum, I have several questions: 1. Can it be applied directly to the face? 2. Is a tingling sensation normal? 3. How...

Cosmetics Compatibility Serum Stability Texture Modification Water Contamination
Posted by jay_cg-.-2
2016-05-07
Formulating Lotion with Shea Butter, Argan Oil, and Rose Hip Oil

How can I formulate a milk lotion containing Shea Butter, Argan Oil, and Rose Hip Oil? What type and amount of emulsifier are needed to combine the oil and water phases to...

Cosmetics Cosmetic Formulation Emulsification Emulsifier Lotion Stability
Posted by blackeyes_jj
2016-05-06
DIY Mandelic Acid Gel Formulation Questions

I am making a 20% Mandelic Acid solution. 1. Is my calculation correct if I use 20g of Mandelic Acid in 80ml of distilled water to achieve a 20% concentration? 2. Can I add Pro...

Cosmetics Acidic Formulation Gel Preservation Serum Texture Modification
Posted by prettywhite74
2016-05-06
Cloudy Vitamin C Serum: Cause and Solution

My Vitamin C serum became cloudy after pouring it into a bottle with leftover oil (LipidSoft). Why did this happen, is it still usable, and what are the solutions?

Cosmetics Dispersion Emulsification Serum Stability Turbidity
Posted by nuchjarin.meesuwan
2016-05-06
Formulation and Texture Issues in Acne & Whitening Products

I have questions about formulating cosmetic products: 1. Can Salicylic Acid EZ™ and Encapsulated Salicylic Acid be added to glycerin bar soap? 2. Regarding the acne treatment...

Cosmetics Acne Treatment Cosmetic Formulation Formulation Adjustment Skin Brightening Texture
Posted by pid_k
2016-05-06
Compatibility of PE-1 Aqua and ODA-White Plus

Can PE-1 Aqua (a penetration enhancer for water-soluble actives) and ODA-White Plus (an oil-soluble whitening active) be mixed in the same formula? If not, how should they be...

Cosmetics Compatibility Penetration Enhancer Skin Brightening Solubility Usage Method
Posted by k.jupalak
2016-05-06
Gentle Eye Makeup Remover Formulation to Prevent Stinging

My current cleansing water formula causes eye stinging. The formula contains: * Water * `PEG-6` * `Butylene Glycol` * `Phenoxyethanol S/A` I am considering creating a separate...

Cosmetics Cleaning Water Cosmetic Formulation Eye Irritation Gentle Formulation Surfactant
Posted by khonle01
2016-05-06
Mixing Instructions for Anti-Aging, Brightening Serum with DMAE and High Electrolytes

I am trying to formulate a serum for combination skin targeting whitening and anti-aging with the following ingredients. I need detailed mixing instructions, especially...

Cosmetics Anti-aging Electrolyte Tolerance Mixing Procedure Serum Viscosity
Posted by kat_runya
2016-05-06
Ingredients in CC Cream for Soft Focus, Oil Control, and Pore Blurring: Are they Comedogenic?

I found the following description for a CC cream (advertised as Silicone-free and non-acnegenic): "6. Triple HD Smooth Spheres Selectively combined 3 types of HD Smooth...

Cosmetics Acne-prone Skin BB/CC Cream Oil Control Pore Blurring Soft-Focus
Posted by zazee24
2016-05-05
Adding Foundation/BB Makeup to Water-in-Oil Sunscreen Formula

I am working on a sunscreen formulation and have received a staff-recommended formula using SPF Protect Ultra II, BEMT, Octisalate, and Water-in-Oil EZ. I want to add...

Cosmetics Formulation Adjustment Foundation Solubility Sunscreen Formulation Texture
Posted by emmaline.pec
2016-05-05
Compatibility and Effect of PE-1 Aqua and Pentylene Glycol

Based on conflicting information, can **PE-1 Aqua** and **Pentylene Glycol** be used together in a formulation? Specifically, will this combination reduce the penetration...

Cosmetics Compatibility Effectiveness Loss Ingredient Interaction Penetration Enhancer Preservation
Posted by ratthakan_d
2016-05-05
Ingredient Availability Update: Ethylhexyl Triazone and Astaxanthin

Could you please provide an update on the availability status of Ethylhexyl Triazone and Astaxanthin? Are there any specific issues or challenges related to their use in formulations?

Cosmetics Antioxidant Color Adjustment Ingredient Availability Ingredient Suitability Sun Protection
Posted by ratthakan_d
2016-05-05
Preservative System for Sensitive Skin (Pentylene Glycol + Polyaminopropyl Biguanide)

I understand that combining Pentylene Glycol with various preservatives can boost their effectiveness, allowing for lower concentrations of the main preservative. My concern is...

Cosmetics Concentration Formulation Adjustment Preservation Sensitive Skin Skin Irritation
Posted by donotgiveup12345601
2016-05-05
Serum Formulation for Oily, Acne-Prone, Sensitive Skin

I have very oily skin with clogged and inflamed acne, and sometimes my skin feels dry and is sensitive. I am looking for a serum formulation suitable for this skin type. I was...

Cosmetics Acne Treatment Oil Control Oily Skin Sensitive Skin Serum
Posted by regiscosmed
2016-05-05
Solvents for Dissolving Ferulic Acid

What are suitable solvents for dissolving Ferulic Acid? Can Butylene Glycol be used as an alternative to Ethoxydiglycol, and are there other options?

Cosmetics Cosmetic Formulation Ingredient Alternatives Ingredient Comparison Solubility Solvents
Posted by maigonix
2016-05-05
Adding Apple Phloretin to Vitamin C Serum

I am using the Vitamin C E Ferulic kit. I would like to add Apple Phloretin to this serum formulation, similar to commercial products like Skinceuticals. How can I incorporate...

Cosmetics Emulsification Ingredient Addition Serum Turbidity Water-based Formulation
Posted by kat_runya
2016-05-05
Sunscreen Formulation: High Oil Phase and Emulsifier Selection

I am developing a sunscreen formula and initially wanted to replace Octocrylene to reduce cost while maintaining high SPF. The suggestion was to reduce BEMT and Tris Biphenyl...

Cosmetics Emulsifier High Oil Content Stability Sunscreen Formulation Texture
Posted by last_psychedelic
2016-05-05
Precipitation Issue with French Pine Bark and Pro Polymer in Formulation

I'm experiencing precipitation of French Pine Bark Extract in my formulation when adding Pro Polymer. My formula contains: * French Pine Bark * Pro Polymer * Vitamin B6...

Cosmetics Electrolytes Gelling Agent Ingredient Interaction Precipitation Stability
Posted by bioeuw321
2016-05-04
Mosquito Repellent Spray Formulations

I would like to inquire if there are any mosquito repellent spray formulations available. Could you please provide some formula examples or suggest ingredients for a mosquito...

Cosmetics Formulation Examples Ingredient Suggestion Long-lasting Mosquito Repellent Spray
Posted by womenlulla
2016-05-04