We’re confident you’ll love your custom haircare, skincare, or body care, but if it’s not quite right, we’ve got you. Contact us at hello@functionofbeauty.com within 60 days of receiving your order, and we’ll happily offer a free one-time reformulation.

Here’s to great hair and skin days,
The Function Team.

Disclaimer: This guarantee applies to active subscribers only. It excludes one-time purchases, non-canceled refills, retail products and Best Sellers sets. Due to the customized nature of our products, all orders are non-refundable, and shipping fees are non-refundable unless due to an error or damage. Limit one per customer.