How Hero Cosmetics founder Ju Ryu built and sold a $630 million skincare brand

Executive overview

Ju Ryu spotted hydrocolloid acne patches in Korea in 2012 — a product that didn't exist in the US — but chickened out of launching twice before co-founding Hero Cosmetics in 2017. The company bootstrapped profitably for three years, scaled through Amazon and a Target exclusive, then sold to Church & Dwight in 2022 for $630 million.

Timing the exit at the right revenue threshold — before you become too expensive to buy — is as strategic as scaling fast.

From corporate career to first product

• Worked at Kraft Foods, American Express, and Samsung Korea; always frustrated by slow-moving corporate innovation
• Spotted acne patches worn publicly in Korea (2012–2014) — hydrocolloid wound dressings that absorb pus, seal pimples, and flatten them overnight
• Tried to launch in 2014–2015: sourced a manufacturer, designed packaging, named the brand — then froze at the first purchase order
• Shelved the idea for two years after failing to get anyone else on board
• Restarted in 2017 when a former client turned friend agreed to co-found alongside his brother

Building the founding team

• Three co-founders: Ryu (category knowledge, marketing, finance), one technical/ops, one creative/design
• Complementary skill sets meant clear ownership with no overlap
• Three-person teams create a natural tiebreaker — the "three is one too many" rule is wrong
• Pre-existing working relationship (Ryu had hired their digital agency) gave immediate trust and proven collaboration

Testing and launching on Amazon

• First product: Mighty Patch Original, 36 count, priced at $12.99
• Initial capital: $50K across three founders; bootstrapped for three years with personal loans for cashflow
• Defined success/failure thresholds before launch: success = $500K revenue, profitable; failure = $100K, unprofitable
• Growth via gifting to micro-influencers and earned press (BuzzFeed lists, NYT Wirecutter)
• Revenue was nearly 100% Amazon for the first phase

Raising growth capital

• Stayed profitable for three years without outside money
• Decided to raise in 2020 primarily for strategic guidance, not cash; term sheets arrived the week COVID lockdowns started and the round collapsed
• Eventually closed a growth round; mindset shifted from cutting every cost to investing in the best available talent
• First senior hires post-raise: VP of Sales and VP of Marketing — experienced operators who ran their own teams
• "I hired people who would tell me what to do"

Channel diversification and retail

• Target channel split goal: one-third Amazon, one-third retail, one-third DTC
• DTC never scaled as hoped; retail became the second growth pillar
• Chose Target as exclusive retail partner for its brand image and history of merchandising indie challenger brands
• Under Church & Dwight, Hero expanded to 50 countries in two years — distribution scale Hero couldn't have built independently

The exit decision

• Co-founders pre-agreed from early on to exit at $100M revenue
• Rationale: above $200–250M, valuations exceed $1B and the buyer pool shrinks to a handful — leverage collapses
• Church & Dwight won on valuation, culture fit, and global distribution capability
• Post-sale founder identity crisis is real; strategy is to emotionally detach early and reframe the role as "here to help"

Spotting the next opportunity

• Ryu's method: walk retail aisles, study packaging colors, claims, and pricing for category homogeneity
• If everything in a section looks the same, that's the signal to zig
• Second-time founder advantages: existing retailer relationships, talent network, and easier fundraising