When you start formulating cosmetics, one of the most important concepts you’ll come across is the Safety Usage Rate (SUR) . At first, it may sound like just another technical term, but understanding it is critical to creating safe, effective, and compliant products. Let’s break down what safety usage rates are, why they matter, and how they protect both you and the people using your products. What Are Safety Usage Rates? A Safety Usage Rate is the maximum percentage of an i

In today’s beauty industry, there is a growing demand for " natural ," " organic, " and " naturally derived " cosmetic products. However, this trend often arises from misconceptions and fear-driven narratives common in online discussions. The focus on naturalness typically revolves around the ingredients used in formulations, but it’s essential to understand the precise meanings of these terms. Additionally, it’s important to recognize that natural does not always mean better

When creating natural products, it's common to add fragrance using essential oils. While this approach is widely accepted, especially under COSMOS certification standards, it does have its challenges. Essential oils, though natural, come with high irritancy and allergen risks. Fortunately, there are alternative ways to naturally scent products while maintaining their "natural" status. Here are two effective options: 1. Hydrosols Hydrosols, also known as distillates, floral w

When first starting to make DIY cosmetics, many new formulators look for existing formulations online to follow. While this approach provides a useful starting point, it also introduces a significant challenge: ingredient availability. The process of purchasing beginner equipment and ingredients can be costly, so it’s not uncommon for new formulators to seek ingredient substitutions to avoid additional expenses. However, it’s crucial to understand that any substitution will a

Grainy body butters can be a frustrating experience, especially when your goal is to create a smooth, luscious whipped butter that glides effortlessly onto the skin. If you’ve encountered this issue, know that you’re not alone—it’s a common challenge for both beginner and experienced formulators. In this detailed post, I’ll explain why body butters can turn grainy and, more importantly, how to avoid it to ensure your final product is silky smooth every time. Understanding the

One common misconception among beginner formulators is that adding more carrier oils and butters will create a lotion that’s ultra-hydrating. While oils and butters play a role in moisturizing the skin, overloading a lotion with these ingredients often results in a greasy, heavy product that sits on the skin’s surface without fully absorbing. Fortunately, you can create a hydrating lotion with a low lipid content (10-15%) by choosing the right ingredients and focusing on the

When it comes to cosmetic formulation, one of the most crucial steps in achieving a stable and well-blended product is the mixing process . While the choice of ingredients, emulsifiers, and preservatives is important, how you mix your formulation can make or break the final product. In cosmetic chemistry, we often refer to two types of mixing methods: high shear and low shear . Understanding the difference between these techniques, and knowing when to apply them, is critical

When it comes to creating high-quality cosmetics, one of the most critical yet often overlooked aspects is temperature control. Whether you're formulating a simple lotion, a luxurious cream, or an advanced serum, maintaining the correct temperature throughout the formulation process is key to achieving the desired product stability, texture, and efficacy. Let’s explore why temperature is so important in cosmetic formulation, how ingredients react to different temperatures, an

Anhydrous Products in Cosmetic Formulation In the world of at home (DIY) cosmetic formulation, one category of products that stands out is anhydrous products . These are formulations that contain no water. Instead, they are made entirely from oils, butters, waxes, and sometimes other oil-soluble ingredients like esters and powders. Anhydrous products are immensely popular for their ability to soften, protect, and nourish the skin. However, it’s essential to understand both th