Carnosinsyre hud gavner anti-fotoaldring

Carnosic acid is a natural extract from rosemary, it’s safe, ikke-irriterende og fuld af fordele. Now today we will talk about the carnosic acid benefits in skincare anti-photoaging.

What is Photoaging ?

Before talking about carnosic acid skin benefits, let’s have a breif look of what is photoaging.

Photoaging refers to skin aging caused by long-term and repeated ultraviolet radiation. The appearance are fine wrinkles, dry, rough skin, sagging, and pigmentation. It can easily lead to the occurrence of various skin cancers and cause serious harm.

Skin photoaging is the result of the joint action of biological processes such as cell apoptosis, inflammatory response, and oxidative stress response. Among them, inflammatory response and oxidative stress response are the main mechanisms of skin photoaging. Derfor, the natural products with antioxidant and anti-inflammatory effects are likely to have anti-skin photoaging effects, like carnosic acid.

UVA – reason for photoaging

Ultraviolet rays have two types: UVB and UVA.

UVB (English full name: ultraviolet radiation b) is a band of ultraviolet wavelengths divided according to different biological effects. It can make the skin sunburned and reddened in a short period of time. Most sunscreen products on the market are UVB-type, and SPF is a symbol of UVB protection ability.

UVA band, wavelength 320~400nm, also known as long-wave dark spot effect ultraviolet light.

UVA is a terrible sun killer. It has a relatively long wavelength and strong penetrating ability. It can penetrate the surface layer of the skin and penetrate deep into the tissue below the dermis, thereby destroying the fine structures inside the skin such as collagen and elastic fiber tissue, causing wrinkles and fine lines. Finally the skin is sagging and aging.
In the energy distribution of ultraviolet rays in sunlight, UVA is 15 times more powerful than UVB and is the main cause of skin tanning. It can reduce the content of water-binding hyaluronic acid in the skin, dry the skin, accelerate the formation of melanin, and darken the skin color. It is also an important cause of skin cancer.

As a result, it’s important to use anti-photoaging ingredients like natural carnosic acid from preventing UVA damage for skin.

Carnosic acid for anti-photoaging

Most of the natural products that resist photoaging are phenolic compounds, mainly including phenolic acids, flavonoids and polyphenols. The natural products that proved to resist photoaging include carnosic acid, caffeic acid, ferulic acid, resveratrol, apigenin, Genistein, silymarin, tea polyphenols (such as epigallocatechin gallate), tannic acid, etc.

Carnosic acid (CA) is a phenolic component that is widely distributed in Rosmarinus officinalis L. And it is the main antioxidant component of rosemary. Research shows that carnosic acid has a wide range of pharmacological activities, including antioxidant effects, anti-cancer effects, anti-inflammatory effects, inhibition of angiogenesis, anti-metabolic disorders, hepatoprotective and neuroprotective effects, etc. Many studies confirmed the carnosic acid has antioxidant and anti-inflammatory effects which lead to skin benefits.

Studies have verified that carnosic acid can inhibit the production of inflammatory factors, alleviate inflammatory reactions, and exert anti-inflammatory effects by inhibiting inflammation-related pathways such as NF-KB signaling pathway and ROS-D38MAPK signaling pathway. At a specific low concentration, carnosic acid can produce anti-aging effects, thereby effectively inhibiting the damage of long-wave ultraviolet (UVA) radiation to skin tissue.

Above all, carnosic acid is a natural extract from rosemary, it’s safe, non-irritating and full of skin benefits. It can be widely used in anti-photoaging and skin care products. With broad market prospects, especially as a new skin care product. In the future, as studying in further research on natural extracts, carnosic acid will play a more important role.

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