Custom moisturizer formulation retainers generally range from $1,500 to $6,000 depending on the number of revision rounds, complexity of actives, and stability testing scope. Microbiome-positioned products often require a preservative efficacy test and pH profiling, which can add $500–$1,500. AJ Cosmo Labs lets you post your budget in your brief so formulators self-select before you spend time negotiating.
Read the full guide on how to find a formulator for microbiome friendly moisturizer →