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Bienfaits astaxanthine cheveux.

Astaxanthin, an ingredient for hair care?

A natural pigment, astaxanthin is part of the carotenoid family.As a potent antioxidant, it is a favoured active ingredient in skincare to take advantage of its multiple effects, butit is still relatively unknown in hair care. Let's explore its potential benefits for hair.

Summary
Published January 29, 2024, by Manon, Head of Scientific Communication — 4 min read

What are the benefits of astaxanthin on the scalp?

Of a reddish-orange hue, theastaxanthinis a pigment naturally found in certain marine plants and some fish. It is found in krill, crustaceans, plankton, lobster, trout, and salmon. The colour of astaxanthin indeed explains their pink and reddish hues. However, the primary natural source of this pigment is a micro-algae: theHaematococcus pluvialis. Just like the skin, hair and the scalp can also benefit from the numerous virtues of astaxanthin.

  • Astaxanthin combats inflammation of the scalp.

    Astaxanthin has proven anti-inflammatory activity that can soothe the scalp. It has been demonstrated that astaxanthin is capable of reducing levels of MMP and pro-inflammatory cytokines by inhibiting the activity of IκB kinase, a complex responsible for controlling the activation of NF-κB. This keeps NF-κB, a pro-inflammatory signalling pathway, inactive in the cellular cytoplasm, allowing for the reduction of inflammation. As an integral part of the epidermis, the scalp can also benefit from this property. Therefore, astaxanthin helps to prevent irritation and itching associated with scalp inflammation.

  • Astaxanthin combats baldness.

    Astaxanthin could be a solution to hair loss associated with androgenic alopecia. Indeed, it is a natural inhibitor of the 5-alpha-reductase enzyme. It acts on this enzyme to reduce the level of DHT (dihydrotestosterone). The latter is an androgen hormone, the main source of baldness.

    The primary cause of hair loss is triggered by the presence of free radicals. Therefore, the antioxidant properties of astaxanthin also help to counter these free radicals and limit hair loss. However, no scientific study has been conducted on this subject.

  • Astaxanthin delays the onset of the first grey hairs.

    The premature onset of grey hair is promoted by oxidative stress, which produces an excess of free radicals. These trigger chain reactions that damage the cells that make up the scalp. Thanks to its antioxidant action, theastaxanthin traps free radicals and can thus potentially delay the appearance of the first grey hairs.

Astaxanthin: How to use it to reap its benefits for hair?

Currently, it is possible to reap the benefits of astaxanthin for hair through oral intake. There are numerous dietary supplements based on astaxanthin. We advise you to favour those made from natural astaxanthin, which has a superior antioxidant activity compared to synthetic astaxanthin. For topical application, further studies on the effect of astaxanthin application on the scalp need to be conducted to promote and encourage its use in hair care products.

Sources

  • FARAONE I. & al . Astaxanthin anticancer effects are mediated through multiple molecular mechanisms: A systematic review. Pharmacological Research (2020).

  • NAME J. J. & al. Antioxidant and anti-inflammatory mechanisms of action of astaxanthin in cardiovascular diseases (Review). International Journal of Molecular Medicine (2020).

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