Article last updated: October 15, 2024
Nacre powder, also known as Mother of Pearl powder, is a cosmetic ingredient derived from the inner layer of mollusk shells, particularly oysters and abalones. This iridescent substance is primarily composed of calcium carbonate, conchiolin (a protein), and other trace elements. Historically, nacre has been prized for its lustrous beauty and has been used in jewelry and decorative arts for centuries. Its use in cosmetics, however, is a more recent development.
The journey of nacre powder into the world of cosmetics began with traditional Chinese medicine, where it was used for its purported skin-healing properties. Over time, modern science and technology have enabled the refinement of nacre into a fine powder, making it suitable for inclusion in various skincare and beauty products.
The production of nacre powder involves several meticulous steps. First, the mother of pearl is carefully harvested from the inner shells of mollusks. These shells are then cleaned and sterilized to remove any organic matter. Afterward, they are ground into a fine powder through a process of milling and sieving. The resulting nacre powder is then dried and further refined to ensure it meets the quality standards required for cosmetic use.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Nacre Powder:
Nacre Powder is known for its abrasive properties. In layman’s terms, this means it can help to exfoliate the skin by gently removing dead skin cells from the surface. This can lead to a smoother, more polished complexion. When used in products like facial scrubs or exfoliating cleansers, Nacre Powder helps to slough away dull, lifeless skin, revealing the fresher, more vibrant skin underneath.
Another key function of Nacre Powder is its role as a bulking agent. This means it can add volume and substance to cosmetic formulations. In practical terms, this helps to improve the texture and consistency of products, making them easier to apply and more pleasant to use. For instance, in powders or creams, Nacre Powder can help achieve a desirable thickness and spreadability, ensuring the product feels luxurious and effective on the skin.
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).
Nacre powder is generally considered safe for topical use in cosmetics. However, as with any ingredient, there are potential side effects and considerations to keep in mind.
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of nacre powder 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.
Adverse reactions to nacre powder are relatively uncommon, but it is always prudent to conduct a patch test before widespread usage to ensure there are no adverse reactions.
In terms of comedogenicity, nacre powder is rated as a 1 on a scale of 0 (totally non-comedogenic) to 5 (highly comedogenic). This low rating means it is unlikely to clog pores and is generally suitable for individuals prone to acne, blemishes, or breakouts.
