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Tips for Improving Glycerin Soap Bar

I am making glycerin soap bars, but they become soft after about 6 days. I am also using water-soluble food coloring, which bleeds. Additionally, I want to add silver glitter...

Cosmetics Bar Soap Color Bleeding Formulation Adjustment Glitter Hardness
Posted by nupookca
Adding Glycerin to Oil Milk (Laureth-4) and Cloudiness

Can Glycerin (USP/Food Grade) be added to Oil Milk (Laureth-4)? What is the maximum amount that can be added without causing the formula to become cloudy, and does the amount...

Cosmetics Compatibility Ingredient Ratio Mixing Procedure Surfactant Turbidity
Posted by jn_andy
Preservatives for Shampoo and Liquid Soap

Can [Phenoxyethanol...

Cosmetics Challenge Test Ingredient Alternatives Liquid Soap Preservation Shampoo
Posted by wipaka
Necessity of Preservatives in Pitera/Aloe Vera Gel Base Formulations

If I use the following as a base without adding any water, and package it in a pump bottle, can I omit preservatives from the cream formulation? * Pitera * Aloe Vera Gel

Cosmetics Gel Preservation Serum Water-based Formulation
Posted by wisediq
Pillow Spray Formula with Essential Oils using Flora Solve Clear

I am looking for a formula for a pillow spray using various essential oils (Vetiver, Patchouli, Chamomile, Lavender, Ho Wood, Lemon, Sweet Orange, Eucalyptus). Could you please...

Cosmetics Essential Oil Formulation Examples Solubilizer Spray Sprayability
Posted by sarocha.sutan
Ingredients for Hand and Foot Cream/Gel Formulation

As a beginner, what ingredients and types of ingredients are needed to formulate a hand and foot cream or gel?

Cosmetics Cosmetic Formulation Cream Gel Hydration Ingredient Suggestion
Posted by s_dawkradat
Usage Rate of Willow Bark Extract (Natural Salicylic Acid) in Acne Gel

Based on the product information, is a **5%** usage rate of **Willow Bark Extract (Natural Salicylic Acid)** suitable for a **gel** formulation intended for treating **mild to...

Cosmetics Acne Treatment Clogged Pores Exfoliation Gel Usage Percentage
Posted by gigg.suchanuch
Using Glitter Mica in Hand Sanitizer Gel

Can Glitter Mica be used in hand sanitizer gel formulations? If so, what size is recommended for visible sparkles that disperse well?

Cosmetics Gel Glitter Ingredient Suitability Particle Size Shimmer
Posted by icepichaa
Combining Zinc Oxide Nano and Zinc PCA in Sunscreen Formulation

Can Zinc Oxide nano and Zinc PCA be used together in a sunscreen formulation? I understand that Zinc Oxide nano primarily provides sun protection (UVA/UVB) and has some surface...

Cosmetics Acne Treatment Compatibility Oil Control Sun Protection Sunscreen Formulation
Posted by jn_andy
Flaking Issue with Light Cream Maker™ and Alternative Emulsifiers

I made a cream using Light Cream Maker™ but experienced flaking ("เป็นขุย") even after mixing thoroughly. I tried making it again with prolonged mixing but the flaking issue...

Cosmetics Cream Emulsifier Formula Alternatives Pilling Texture
Posted by telsky15
Rollerball Perfume Formulation with High Fragrance Load (Alcohol vs. Oil Base)

I am developing a rollerball perfume formulation and plan to include DHEAS, Bedtime Baby Fragrance (15%), LastFix (20%), and Musk Fragrance (e.g., White Musk). I initially...

Cosmetics Fragrance Formulation Fragrance Longevity Musk Scent Roll-on Solubility
Posted by homonesdress
Review and Combination of Spray Essence Formulas (Ingredient Compatibility, Preservation, Texture)

I have dry, dull skin with uneven tone and some acne. My goals are skin tightening, pore reduction, brightening, even tone, hydration, reducing acne/clogging, strengthening the...

Cosmetics Compatibility Formulation Adjustment Preservation Serum Skin Health
Posted by hello_kittyjib
Adjusting L-Ascorbic Acid Concentration in C E Ferulic Serum

How can I adjust the concentration of L-Ascorbic Acid (LLA) in a C E Ferulic type formulation from 15% down to 10%? Specifically, if I decrease LLA by 5%, which other...

Cosmetics Concentration Cosmetic Formulation Oxidation Serum Stability
Posted by jn_andy
Simple, No-Heat Serum Formulation for Brightening, Tightening, and Hydration

I am looking for a simple serum formulation that can be made without using heat (cold process/hand mixable). The serum should have a lightweight, fast-absorbing texture and...

Cosmetics Cold Process Formulation Hydration Serum Skin Brightening Skin Tightening
Posted by tantip732
Ingredient Compatibility in Cream-Gel: Willow Bark Extract, Hyaluron, and Copper Peptide

I would like to inquire about the compatibility of the following ingredients: 1. Can **Willow Bark Extract** (Natural Salicylic Acid) and **Double Hyaluron Liquid** be...

Cosmetics Compatibility Cream Gel Ingredient Interaction pH Compatibility
Posted by thelittledraco
Preservatives for Two-Layer Formulas and Expired Vanillyl Butyl Ether

Regarding a two-layer formulation containing oil and pure water, using Chili Hot (Vanillyl Butyl Ether) without fragrance, which separates into two layers: * Is it necessary to...

Cosmetics Bi-Phase Formulation Effectiveness Loss Preservation Stability Warming Sensation
Posted by wanchaitia
Ingredient Listing for Hair Serum

I am making a hair serum product using Fractionated Coconut Oil and Argan Oil with a PEEB fragrance. I would like to know if the following ingredient list format is correct, or...

Cosmetics INCI Name Ingredient Declaration Ingredient Naming Oil-based Formulation Serum
Posted by trakun_acc
Cream Formulation Issues: Strong Smell from LipidSoft F and Silver Nano Preservation

I am formulating a cream and have two questions: 1. I am noticing a strong, rancid-like smell in the formula. What is causing this smell, and how can I fix or mask it? 2. I am...

Cosmetics Cream Dispersion Ingredient Function Odor Preservation
Posted by nanosecond19
Facial Massage Oil: Ingredient Compatibility for Anti-Aging and Brightening

I want to create a facial massage oil using Sweet Almond Oil (Refined) as the base. Can I mix the following ingredients into this oil base for anti-aging and brightening...

Cosmetics Anti-aging Compatibility Oil Precipitation Solubility
Posted by autumn1902
Usability of Nano Silver Pure When Base Melts

My Nano Silver Pure product appears melted (liquefied). Is it still usable?

Cosmetics Dispersion Heat Sensitive Raw Material Stability Texture
Posted by chaichana.amp