For a stock-base adaptation (modifying an existing formula base), expect 3–6 weeks to a first sample. For a fully custom formula with novel actives, plan 8–14 weeks. Add 8–12 weeks for accelerated stability testing and 2–4 weeks for a safety assessment. Total runway from brief to production-ready formula is typically 4–6 months for a straightforward SKU. Posting your project brief on the AJ Cosmo Labs iPhone app early compresses the sourcing phase significantly.
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