MDalgorithms Inc.
YC W17San Francisco, US · Founded 2017 · 40 employees · Hiring · 2 known investors
MDalgorithms develops AI-powered personalized skincare and hair care solutions, including treatments for acne, hair regrowth, and anti-aging. The company uses machine learning models and proprietary image analysis technology to deliver customized treatment kits tailored to each user's specific skin and hair profile.
Also known as MDacne · MDAlgorithms · MDalgorithms · MDhair
Founders & leadership· Y Combinator alumni (W17)
MDalgorithms Inc. was founded in 2017 by Oded Harth and Yoram Harth MD.
Investors · 2
Company profile
researched Aug 2026MDalgorithms Inc. is a dermatologist-founded health-technology company that uses computer vision and machine-learning models to analyze photographs of a user's skin or scalp and assemble customized treatment kits that are shipped directly to the customer. Users complete an assessment through the company's mobile apps or websites — the company states an average skin or scalp assessment takes a few minutes — and receive regimens built from a library of more than 100 medical and botanical ingredients, including topicals, cleansers, moisturizers and oral supplements. Treatment is paired with progress tracking, regimen adjustment over time, and chat access to the company's dermatologists and nurses.
The company operates three consumer brands. MDacne, launched around the company's 2017 founding, applies machine-learning models to acne treatment, customizing creams, cleansers and moisturizers based on reported acne severity, skin sensitivity and AI-assessed attributes such as skin type, hydration, fine lines, texture, redness and hyperpigmentation. MDhair applies AI-based scalp image analysis to hair loss, combining FDA-approved medications with dermatologist-formulated botanicals, adaptogens, probiotics and peptides. Nuvane, the most recent brand, offers personalized longevity/anti-aging skincare kits based on the company's SenoP3 peptide technology, targeting fine lines, dark spots and cellular aging.
MDalgorithms describes itself as AI-native and states its AI technology is built in-house on what it calls the largest global dataset of acne, scalp and skin-aging images. The company supports its claims with peer-reviewed and conference research, including a six-month IRB-approved US clinical trial of MDhair kits published in the Journal of Drugs in Dermatology (2025) and an IRB-approved 12-week study (n=38) of the AI-personalized skin longevity regimen.
Founding story
MDalgorithms was founded in 2017 by CEO Oded Harth and his co-founder Dr. Yoram Harth, a board-certified dermatologist and former research fellow in dermatology at Columbia-Presbyterian in New York who won Wall Street Journal Europe and Edison awards for acne and RF-based home skin rejuvenation innovations. Their stated mission was to make effective, accessible and affordable skin and hair treatment available to everyone, given that most people never see a dermatologist. Oded Harth, a Forbes 30 Under 30 honoree with AI and machine-learning training from Stanford, leads the company.
Business model
Direct-to-consumer sale of subscription-style personalized treatment kits: a free AI photo analysis via mobile app or website funnels users into paid, periodically adjusted kits of topicals and supplements shipped to their homes, bundled with teledermatology support from staff dermatologists and nurses at no additional consultation cost.
Revenue comes from consumer purchases of customized skin and hair treatment kits (medicated and non-medicated topicals, cleansers, moisturizers and oral supplements) delivered direct-to-door, with unlimited medical support included rather than billed as follow-up visits.
Traction
MDacne has been used by more than 4 million people to analyze and treat their skin and is described as the most popular dermatology app in the US and UK; the company reports hundreds of thousands of users worldwide across brands. It was named to the 2025 Inc. 5000 list of fastest-growing US private companies and to Deloitte's list of fastest-growing companies in North America (December 2022), with the CEO a two-time Deloitte Fast 500 USA recipient. Research output includes an analysis of 187,016 hair loss cases and AI insights drawn from 1 million users.
Latest developments
Named to the 2025 Inc. 5000 list of America's fastest-growing private companies (announced August 12, 2025). In October 2025, Dermatology Times covered AI-powered hair loss insights from 1 million users and an AI model generating treatment regimens for women with hair loss. The company has expanded beyond acne and hair into longevity skincare with the Nuvane brand built on SenoP3 peptides, and has research slated for the EADV congress in Athens and the 14th World Congress for Hair Research in Seoul in May 2026. It is hiring growth and performance marketing roles across GB, US and CA.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Positions itself as a pioneer in AI-personalized dermatology — first to use machine-learning models for acne treatment in 2017 and creator of what it describes as the world's first AI-powered scalp analysis for hair regrowth and first fully customized hair regrowth kit. It contrasts its customized, direct-shipped, clinically tested kits against one-size-fits-all retail cosmetic products.
AI-driven personalization of each kit rather than standardized retail products; in-house rather than off-the-shelf models; a large proprietary image dataset; clinically tested proprietary formulations validated in IRB-approved trials; inclusion of unlimited medical support; and continuous reformulation as a user's skin or hair changes.
Technology
Proprietary in-house computer vision and machine-learning models that analyze selfies and scalp images to score blemishes, lesions, hair conditions and skin-aging patterns, mapping results to rule-based formulation selection across 100+ medical and botanical ingredients. The company reports the largest global dataset of acne, scalp and skin-aging images, and Nuvane uses SenoP3 peptide technology.
Go-to-market
App-store and web-led direct-to-consumer acquisition through brand apps (MDacne described as the top dermatology app in the US and UK App Store), supported by performance and growth marketing (the company recruits growth and performance marketing staff), clinical publications and conference presentations, and a growing network of skin health professionals.
Consumers with acne, hair loss/thinning or signs of skin aging who lack affordable or convenient access to a dermatologist; the company cites roughly 3 billion people worldwide with skin and hair problems and states 90% never see a dermatologist. MDhair addresses both women and men with hair loss, including menopausal women.
Geography
Press materials are issued from San Francisco, while Y Combinator and other company listings give the location as Tel Aviv-Yafo, Israel, and describe a fully remote operating environment with roles open in the UK, US and Canada. Commercially the company sells across the U.S., Canada, the UK and other international markets.
History
Founded in 2017, the company participated in Y Combinator's Winter 2017 batch and launched MDacne, applying machine-learning models to acne treatment; early research was presented at the American Academy of Dermatology Innovation Academy in March 2017 and in JAAD in June 2017. In February 2022 it introduced MDhair, described as the world's first women's hair loss solution using AI and computer vision to customize treatment to the root cause of hair loss. In December 2022 it was named to Deloitte's list of fastest-growing companies in North America. A six-month MDhair clinical trial was published in the Journal of Drugs in Dermatology in March 2025, and in August 2025 the company was recognized on the Inc. 5000. It subsequently launched Nuvane for longevity skincare using SenoP3 peptides, with a 12-week clinical study of the regimen slated for presentation at the European Academy of Dermatology and Venereology meeting in Athens in May 2026.
Compiled by commissioned research from 7 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Competitors · 1
by search overlapCompanies competing with MDalgorithms Inc. for the same Google search keywords, organic and paid, via search-intersection analysis.
Timeline · 6
launches, deals, and filingsDermatology Times published items on AI-powered insights from 1 million users revealing new trends in hair loss and on an AI model creating successful treatment regimens for women with hair loss.
Inc. recognized MDalgorithms Inc. on its annual Inc. 5000 list; the announcement was issued from San Francisco and quoted CEO and co-founder Oded Harth.
An IRB-approved six-month US study of MDhair's AI-personalized treatment kits reported statistically significant improvements in hair growth, coverage and thickness (Bhardwaj V, Rodgers N et al., J Drugs Dermatol. 2025 Mar;24(3):233-238).
The company added Nuvane, delivering AI-personalized longevity skincare kits powered by SenoP3 peptides targeting fine lines, dark spots and cellular aging.
The company introduced MDhair, described as the world's first women's hair loss solution using AI and computer vision to customize treatment to the root cause of hair loss, combining FDA-approved medications with dermatologist-formulated botanicals, adaptogens, probiotics and peptides.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 7
primary sources listed
- MDalgorithms Inc.mdalgorithms.com · web
7 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does MDalgorithms Inc. do?
- AI dermatology company selling personalized acne, hair-regrowth and anti-aging treatment kits under the MDacne, MDhair and Nuvane brands.
- Who founded MDalgorithms Inc.?
- MDalgorithms Inc. was founded by Oded Harth, Yoram Harth MD in 2017.
- Who are MDalgorithms Inc.'s investors?
- MDalgorithms Inc.'s investors include Moxxie Ventures, Y Combinator.
- Where is MDalgorithms Inc. headquartered?
- MDalgorithms Inc. is headquartered in San Francisco, US.