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Ingredients Cosmetic Formulations Avoid

As a company that believes in creating clean and all-natural cosmetics, there are ingredients that we avoid putting in our formulations. We prioritize ingredients that are safe, natural, and effective and avoid ingredients that can be harmful or irritating. Every cosmetic formulation chemist at Freelance Formulations carefully considers each ingredient that they add to a cosmetic formulation and avoids ingredients such as:


Parabens are a group of preservatives that can extend the shelf life of products. They have been associated with potential health risks, including hormone disruption, which can disrupt the endocrine system. Our chemists can choose paraben-free alternatives to avoid this ingredient.

Formaldehyde and Formaldehyde-releasing Preservatives

Formaldehyde and formaldehyde-releasing preservatives can be used in some formulations to prevent bacterial growth. The main concern with this ingredient is that it is a known human carcinogen. It can also cause skin irritation. We can use formaldehyde-free preservatives in your custom formulation for a safer alternative.


BHA and BHT are synthetic antioxidants that some manufacturers use as preservatives in certain cosmetics and skincare products, such as moisturizers and lipstick. Our cosmetic formulations avoid these ingredients because they can cause allergic reactions and may interfere with hormone function. BHA has also been identified as a possible carcinogen by the International Agency for Research on Cancer.

PEG Compounds

Polyethylene glycols, or PEG compounds, can be used as thickeners, softeners, and solvents. Some cosmetic companies can use them in petroleum-based compounds. You can find them in many cream-based products. We prefer to avoid them because they can irritate the skin and may be carcinogenic.


Siloxanes are compounds that manufacturers use in their skincare and cosmetics to help soften and moisten. You can find them in moisturizers, hair products, and facial treatments. They can be toxic and have been linked to endocrine disruption and possible reproductive harm. They are also bad for the environment and can negatively affect aquatic life. Our chemists can create an effective formula without using siloxanes.

Synthetic Fragrances

Cosmetic brands use synthetic fragrances to enhance or add scents to their cosmetic products. They can cause skin irritation, allergies, and asthma symptoms. We can use natural fragrances as an alternative or make fragrance-free options for sensitive skin.


This ingredient is a preservative and antimicrobial ingredient that is usually found in cleansers and hand sanitizers. We prefer to avoid it because it can interfere with hormone function and irritate the skin and eyes. It is also toxic to aquatic organisms and their environment. We can use cleaner ingredients that accomplish the same purposes without having these adverse effects.

Work With a Cosmetic Formulation Chemist 

Freelance Formulations can create a clean formula for your product that doesn’t involve toxic ingredients. We consider every ingredient we put in your custom formula so that we only add clean, safe, and effective ingredients. Our specialty is making all-natural and over-the-counter formulas you can feel good about. If you want to work with a cosmetic formulation chemist who can be with you through every step of the formulation and branding process, contact us today. 

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