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Lab Notes

Ingredient science, skin biology and formulation stories from Pai's London Innovation Lab. The research behind the results.

Woman with curly hair and dewy, healthy-looking skin showcasing natural radiance and moisture retention

What is TEWL and how can you prevent it?

Elizabeth Bennett November 8th, 2022 7 minute read

Lab Notes

Close-up of woman with glowing, healthy skin smiling joyfully, showcasing radiant complexion and natural beauty

The benefits of Vitamin C for your skin

Elizabeth Bennett August 30th, 2022 9 minute read

Lab Notes

Clear glass dropper dispensing serum into test tubes in laboratory setting for skincare formulation research

Alcohol in skincare: Is it bad for sensitive skin?

Elizabeth Bennett July 21st, 2022 8 minute read

Lab Notes

Fresh rosehip berries on branches next to Pai Rosehip BioRegenerate Oil bottle with dropper showing the natural source of this facial oil

Why we'd never cold-press Rosehip Oil

Sarah Brown February 28th, 2022 8 minute read

Lab Notes

Woman applying clear serum to her face with fingertips, showing skincare routine for skin renewal

How long does skin take to renew?

Sarah Brown January 10th, 2022 5 minute read

Lab Notes

Honey bees on natural honeycomb hexagonal cells, representing non-vegan skincare ingredients

Vegan skincare: ingredients to avoid

Sarah Brown January 6th, 2022 7 minute read

Lab Notes

Hand holding Pai Rosehip BioRegenerate Oil bottle with dropper, showing the golden-orange facial oil against soft natural lighting with green leaves

What does Rosehip Oil smell like?

Judy Johnson December 16th, 2021 6 minute read

Lab Notes

Chemical structure diagram of sodium hydroxymethylglycinate showing molecular bonds and atoms on grid background

What is Sodium Hydroxymethylglycinate?

Sarah Brown December 1st, 2021 5 minute read

Lab Notes

Golden face oil with flowing texture and bubbles showing lightweight serum consistency

Oil vs cream: What's the difference?

Judy Johnson October 21st, 2021 6 minute read

Lab Notes

Close-up of creamy white moisturizer with golden oil droplets showing rich, hydrating texture for skincare

5 benefits of Glycerin for your skin

Caroline Ferry September 24th, 2021 9 minute read

Lab Notes

Cupped hands gently holding a fresh green leaf in natural sunlight, symbolizing organic skincare ingredients

5 surprising reasons to shop certified organic skincare

Judy Johnson September 9th, 2021 8 minute read

Lab Notes

Close-up of woman applying clear skincare serum to her cheek, showing gentle application technique for sensitive skin care

Why do I have sensitive skin?

Judy Johnson July 30th, 2021 8 minute read

Lab Notes

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