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1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer: An In-Depth Look at Its Role in Cosmetics

Article last updated: June 12, 2024

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Ever wondered what makes your favorite skincare products so effective? Dive into our comprehensive exploration of 1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer and discover its transformative role in the world of cosmetics.

What Is 1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer?

1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer, also known by its more technical name Hexanedioic acid, polymer with butanedioic acid, 1,4-butanediol, and 1,6-diisocyanatohexane, is a synthetic polymer used in various cosmetic products. This ingredient is a mouthful, but breaking it down helps to understand its composition and function. It is essentially a copolymer made from the combination of butanediol, succinic acid, adipic acid, and hexamethylene diisocyanate (HDI).

The history of this copolymer in cosmetics is relatively recent, as advancements in polymer chemistry have allowed for the creation of more sophisticated and multifunctional ingredients. Initially developed for industrial applications, its unique properties soon caught the attention of cosmetic chemists looking for innovative ways to enhance product performance.

The production process of this copolymer involves a series of chemical reactions where the individual monomers (butanediol, succinic acid, adipic acid, and HDI) are polymerized. This process typically takes place in a controlled laboratory setting, ensuring the resulting polymer has the desired characteristics. The end product is a versatile ingredient that can serve multiple functions in cosmetic formulations, such as acting as an abrasive, binding agent, and film former.

The Benefits/Uses of 1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer

In this section, we will delve into the officially recognized cosmetic benefits and uses of 1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer:


This ingredient serves as an abrasive in cosmetic formulations. In simpler terms, it helps to exfoliate the skin by removing dead skin cells. This can lead to a smoother, more polished skin surface, making it a common component in scrubs and exfoliating products. By sloughing off the outer layer of dead skin, it can also help to unclog pores and prevent the formation of acne.


As a binding agent, 1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer helps to hold together the ingredients in a cosmetic product. This ensures that the product maintains its consistency and effectiveness throughout its shelf life. For example, in powdered cosmetics like eyeshadows or blushes, this ingredient helps to keep the powder particles together, preventing them from crumbling or becoming too loose.

Film Forming

This ingredient also acts as a film-forming agent. When applied to the skin, it creates a thin, continuous layer that can help to protect the skin from environmental aggressors like pollution and UV rays. Additionally, this film can lock in moisture, making it beneficial in hydrating products. The film-forming property can also provide a smooth base for makeup application, enhancing the longevity and appearance of other cosmetic products applied on top.

Note: the listed benefits above are exclusively based on the officially recognized and defined functions of the ingredient, as documented by the International Nomenclature of Cosmetic Ingredients (INCI).

Potential Side Effects & Other Considerations

When considering the use of 1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer in cosmetic products, it is important to be aware of its safety, suitability, and allergenic potential. While this ingredient is generally considered safe for topical application, there are some potential side effects to be mindful of:

  • Skin irritation
  • Redness
  • Allergic reactions

Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of this particular ingredient during pregnancy are lacking. Therefore, it is advisable for pregnant or breastfeeding women to consult a healthcare professional for further advice before using products containing this ingredient.

Side effects and adverse reactions from this ingredient are relatively uncommon. However, as with any cosmetic ingredient, it is recommended to conduct a patch test before widespread usage to ensure there is no adverse reaction.

In terms of comedogenicity, 1,4-Butanediol/Succinic Acid/Adipic Acid/Hdi Copolymer is rated as a 1 on a scale of 0 (totally non-comedogenic) to 5 (highly comedogenic). This means it has a low likelihood of clogging pores, making it generally suitable for individuals prone to acne, blemishes, or breakouts.

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