India D2C: Oral care sub-niches
Oral care is dominated by Colgate/Pepsodent; sub-niche products (gum care, sensitivity serum) are underbuilt.
Why now: Weekly collector ran on 2026-08-10; 1 cited items across 1 source class(es).
Next: Interview 10 users from r/IndianSkincare and test a gum-care waitlist.