Sásta Microbiome Booster Serum


Your essential daily topical skin supplement to protect, restore & maintain your skin biome



Our Microbiome

Our Microbiome

The skin is the largest organ of the human body. It is our protective shield and home to an ecosystem of diverse microorganisms- bacteria, fungi and viruses.

It is essential to feed & maintain the skin's biome to ensure our skin health is optimised.

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Led by Results


Beautiful product. Really feel it has made a difference to my skin texture since I have started using it. Had been suffering from bumps on my cheeks and forehead despite an expensive skin care regime but thankfully this product has really helped correct the problem!

Anne-Marie Sexton

I have been using Sàsta skin health for a couple of weeks, and from first use I could see a difference in my skin. I have Rosecea, and I found it improved and eased the symptoms of redness and breakouts, I look forward to continued use.

Rachel Whitty

I've been using Sásta for the last few weeks and I'm really happy with the results so far. It's so easy to apply and leaves a lovely glow on my skin. The price point is spot on too. It will be part of my skin routine going forward.

Helen Clarke

This serum has now become part of my daily skincare routine, morning and night. It has a lovely calming effect on the skin, a gamechanger, can't be without it now!


About the Founder

Michelle McDonald is the Founder of Sásta Skin Health which she developed with her business partner Dr Brian O Rourke. Michelle has worked in the beauty industry for over 25 years in education, training and sales. She is passionate about educating people to consider their skin as a health choice and not simply a beauty pressure.

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"This serum has become part of my daily skincare routine"

Hear from Nutritional Therapist Aisling Fox about the link between skin health and gut health, and how Sásta Skin Health is an essential support for the skin's biome