Haslea Ostrearia Extract

1. Definition Haslea Ostrearia Extract:

Haslea Ostrearia Extract is a natural ingredient derived from the blue-green microalgae Haslea ostrearia. This extract is known for its unique blue pigment, marennine, which has antioxidant and anti-inflammatory properties.

2. Use:

Haslea Ostrearia Extract is commonly used in cosmetics for its skin-brightening and anti-aging benefits. The antioxidant properties of marennine help protect the skin from free radical damage, while its anti-inflammatory properties can help soothe irritated skin. This extract is also used in skincare products to promote a more even skin tone and improve overall skin health.

3. Usage Haslea Ostrearia Extract:

Haslea Ostrearia Extract can be found in various skincare products such as serums, moisturizers, and masks. When using products containing this extract, it is important to follow the recommended usage instructions provided by the manufacturer. It is generally safe for most skin types, but it is always recommended to perform a patch test before using a new product to check for any potential allergic reactions.

4. References:

- Dussud C, et al. Blue pigments from Haslea diatoms with applications in biotechnology. Biotechnology Advances. 2019;37(7):107450.

- Roussakis C, et al. Marennine, a blue-green pigment from the marine diatom Haslea ostrearia. Phytochemistry. 1990;29(10):3123-3125.

- Lalegerie F, et al. Protective effect of marennine, a blue-green polyphenolic pigment from the diatom Haslea ostrearia against hydrogen peroxide-induced oxidative damage in human dermal fibroblasts. Marine Drugs. 2019;17(12):683.