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The Ultimate Guide to Cosmetic Preservatives: Water vs. Oil Soluble

Posted by Natural Bulk Supplies on on Dec 16th 2025

Cosmetic Preservatives Explained: A Complete, Practical Guide for Makers If you are learning how to make skincare, hair care, or body care products, preservatives are one of the most important topics … read more

Cosmetic Thickeners in Skincare | Complete Formulator’s Guide

Posted by Natural Bulk Supplies on on Nov 11th 2025

Thickeners in Skincare: A Complete Comparison Guide Introduction In skincare, viscosity isn’t just about how thick a product feels it’s what gives a formula its stability, texture, and tha … read more

Lotion Formulation Guide: Ingredients, Techniques & Stability Tips

Posted by Natural Bulk Supplies on on Sep 24th 2025

The Complete Guide to Lotion Formulation: Ingredients, Techniques, Pain Points, and Stability Tips for DIY Skincare Introduction Lotions are one of the most popular skincare products, balancing hydrat … read more