On March 4, 2026, Mother Science debuted online at Sephora, bringing with it the origin of Malassezin - a molecule uncovered through the simple act of paying attention to skin, and then years of refined scientific inquiry.
On March 4, 2026, Mother Science debuted online at Sephora, bringing with it the origin of Malassezin - a molecule uncovered through the simple act of paying attention to skin, and then years of refined scientific inquiry.
March 10, 2026
Mother Science’s Sephora debut reads like a modern beauty fairytale, the kind that starts far from a lab coat. In 2016, Violinist - Co-founder Ann Marie Simpson-Einziger noticed lightened patches on her back while on tour, a common condition called tinea versicolor. Curiosity arrived first, then instantly followed by a question, which turned personal skin behavior into one of Mother Science’s most vital product thesis: if something on the skin can shift pigment so quietly, what else might the microbiome be holding? That curiosity, paired with co-founder and musician Mike Einziger and CEO Edna Coryell, led to years in the lab and the extraction of an evolutionary molecule that only Mother Science has hands on in the industry.
Don’t let the lab coat language scare you, though: the brand’s pitch is simple. Malassezin is presented as a targeted antioxidant that speeds fading of dark spots and supports the skin barrier. Mother Science cites lab work and clinical trials showing strong results, “about 10× the antioxidant power of vitamin C”, as a third-party lab validated.
“It’ll be a great place to start if you haven’t tried the products,” the brand says of the Sephora debut, and the retailer is equally candid about why it’s opening its shelves to biotech: shoppers are asking for lab-led efficacy and brands that own their actives.
The importance of science to Simpson-Einziger and Einziger is depicted in their brand’s name. “Everybody understands Mother Nature as an entity you look to for ancient wisdom and natural, good things. Mother Science is another entity we’ve never called out, but she’s ancient and wise just like Mother Nature,” says Simpson-Einziger. “And not many mothers in science go down in history, but times are changing. More women are interested in science, and we proudly call attention to the powerhouse women on our team, which includes chief dermatologist Dr. Pearl Grimes and chief formulation chemist Susan Goldsberry.”
Sephora is getting the brand in its most “edited wardrobe” form: three core products plus a discovery set, all built around Malassezin, priced in Sephora’s prestige lane.
CEO Edna Coryell calls Sephora the brand’s first retailer, framing the moment as a new chapter for getting Malassezin to the world. Sephora’s skincare merchandising SVP Brooke Banwart echoes the same thesis, spotlighting intentional formulation and a science-first approach.
In a market crowded with familiar actives, Mother Science arrives with a rarer offer: a debut built on discovery, a molecule with ownership, and a story where skincare progress starts with paying attention. Sephora’s shelf makes biotech visible, and Mother Science’s arrival turns a niche molecule into a validation for science-first beauty that still tells a human story. Sephora’s digital shelves may be the first chapter, but the story continues on March 13, when the brand moves from screen to store, where you can encounter Malassezin in person.
