Founder Files
Clean Skincare· Los Angeles, USA · Updated 14 May 2026

Lauren Ireland

A respected celebrity esthetician with over a decade of facialist experience, Lauren Ireland co-founded Summer Fridays in 2018 with Marianna Hewitt — bringing the formulation literacy that anchored the influencer-meets-clinical positioning.

"Editorial brand instinct without esthetician experience is a marketing exercise."

Lauren Ireland
Background

Ireland built her reputation as a celebrity esthetician in Los Angeles before co-founding Summer Fridays in 2018, leading product development and formulation strategy.

Her hands-on facialist background informed the original Jet Lag Mask and the brand's continued positioning at the intersection of treatment-room expertise and prestige skincare.

Philosophy

If a hero product doesn't work in a treatment room, it won't survive at Sephora.

Esthetician-led product development is a moat.

Career timeline
  • Pre-2018
    Celebrity esthetician practice in Los Angeles
  • 2018
    Co-founds Summer Fridays
Press & appearances
  • How Summer Fridays' Co-Founders Built a Sephora Hit

    feature
    Vogue Business
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Timeline