Liposomes

1. Definition Liposomes:

Liposomes are small vesicles composed of phospholipid bilayers that are used as carriers for active ingredients in cosmetics. They have a structure similar to cell membranes, allowing them to easily fuse with the skin and deliver their payload effectively.

2. Use:

Liposomes are commonly used in cosmetics to improve the delivery of active ingredients to the skin. They can encapsulate both hydrophilic and hydrophobic compounds, allowing for a wider range of ingredients to be incorporated into skincare products. Liposomes can enhance the stability and bioavailability of active ingredients, leading to better results for the skin.

3. Usage Liposomes:

When using cosmetics containing liposomes, it is important to follow the instructions provided by the manufacturer. Generally, liposomal products should be applied to clean, dry skin and massaged gently until fully absorbed. It is recommended to use sunscreen during the day when using products containing liposomes, as they can increase the skin's sensitivity to UV radiation. Additionally, individuals with sensitive skin should perform a patch test before using products with liposomes to avoid any potential allergic reactions.

4. References:

- Lopes LB, Overcoming the cutaneous barrier with microemulsions. Pharmaceutics. 2014;6(1):52-77.

- Dragicevic-Curic N, et al. Lipid nanoparticles: an emerging approach for oral delivery of lipophilic drugs. Front Pharmacol. 2013;4:73.

- Du Plessis J, et al. The use of topical liposomes for enhancing drug delivery: mechanisms, formulation, and therapeutic applications. Front Pharmacol. 2018;9:1390.