Costs vary by platform. General freelance marketplaces like Upwork charge up to 20% service fees on earnings. AJ Cosmo Labs is available as a free download on the App Store — you can create your provider profile and start receiving matched briefs by opening the app. Check the current fee structure inside the app for the most up-to-date information.
Read the full guide on Top 5 Platforms to Hire a Cosmetic Chemist →