OneSkin
OneSkin develops anti-aging skincare products using a proprietary peptide called OS-01, which targets skin's biological age. The company has raised $47M in funding and employs 62 people.
The growth story
OneSkin grew from 25 to 62 employees between 2022 and 2026, raising $47M along the way, most recently a Series A in August 2025.
About
OneSkin sells skincare products designed to reduce skin's biological age by improving barrier function, repairing DNA damage, and preventing aged cell accumulation. Its core ingredient, OS-01, is a proprietary peptide developed by its team of PhD founders.
The company has raised $47M in funding, including a Series A round in August 2025. Its headcount stands at 62, though its recent growth rate is unclear.
Founders and leadership
OneSkin was founded by four female PhDs and is headquartered in San Francisco. Its largest function is marketing, which accounts for 15 of its 62 employees.
The OneSkin org chart
Carolina Reis Oliveira (Founder and CEO) leads 29 mapped leaders with 4 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Marketing 18 (+13% YoY), Research 8 (+14% YoY), Business Development 6 (-14% YoY), Arts and Design 5 (+67% YoY), Media and Communication 5 (+150% YoY), Product Management 4 (+33% YoY).
Talent flow
OneSkin hires from companies like Seed Health, HelloFresh, and Ritual, with multiple employees coming from each. Alumni have gone on to roles at Future Influence, Timeless Biotech, and Instituto Nacional de Câncer.
Most common previous employers of OneSkin staff: Seed Health (5), University of California, Berkeley (2), HelloFresh (2), Fresh (2), Charlotte Russe (2), Ritual (2). Former OneSkin employees most often moved to Future Influence (1), Timeless Biotech (1), naturalX Health Ventures (1), Linkby (1), Instituto Nacional de Câncer (1), Wondery Therapy (1).
Alumni worth knowing
Web traffic
Traffic mix: 27% direct, 31% search, 11% social, 14% paid.
What this company is made of
Most common skills at OneSkin: Microsoft Excel (29), Social Media (28), Marketing (24), Microsoft PowerPoint (24), Microsoft Word (24), Research Skills (23), Customer Service (23), Microsoft Office (22).
Where the team actually sits
OneSkin people are concentrated in California, United States (18), New York, United States (7), San Francisco Bay Area (7), Los Angeles Metropolitan Area (4).
Search footprint
OneSkin attracts about 8,314 organic search visits a month, traffic worth roughly $66K a month if bought through ads. It gained 3,116 ranking keywords and lost 3,510 in the last period.
Frequently asked
OneSkin has 62 employees as of September 2026.
OneSkin has raised $47M in total, most recently a Series A round in August 2025.
OneSkin was founded in 2016 by Carolina Reis Oliveira.
Carolina Reis Oliveira (Founder and CEO) sits at the top of OneSkin's reporting structure, with 4 direct reports.
The most common previous employers of current OneSkin staff are Seed Health (5 people), University of California, Berkeley (2 people), HelloFresh (2 people).
Former OneSkin employees most often move to Future Influence (1), Timeless Biotech (1), naturalX Health Ventures (1).
OneSkin attracts about 8,314 organic search visits a month, worth roughly $66K a month in equivalent ad spend.
The most common skills among OneSkin staff are Microsoft Excel, Social Media, Marketing, Microsoft PowerPoint, Microsoft Word.
OneSkin staff are concentrated in California, United States (18), New York, United States (7), San Francisco Bay Area (7).
OneSkin has about 18 people in Marketing, up 13% over the past year, as of September 2026.
OneSkin has about 8 people in Research, up 14% over the past year, as of September 2026.
Computed from 55 current and 56 former OneSkin profiles, as of September 2026. Source: Crustdata.
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