Frequently asked questions

We cater our products, research, and development exclusively to darker skin tones; phototypes 4, 5, and 6 on The Fitzpatrick Scale. That’s why we thought it only right to wear our philosophy on our sleeves, so to speak—and name our melanin-centric brand,4.5.6 Skin.

Our products are researched, developed, manufactured, and customised in our proprietary laboratory located in the heart of the French Cosmetic Valley. You can find us on Google Mapshere.

Our products are researched, developed, Once you’ve taken the Skin Quiz, our algorithm determines the best-suited formulation for you. After that, your bespoke formulation(s) will be freshly made-to-order by our skin experts, and swiftly delivered to your door., and customised in our proprietary laboratory located in the heart of the French Cosmetic Valley. You can find us on Google Mapshere.

We are 100%Good Face Projectapproved,SephoraandUlta BeautyClean. We use 90% of natural, organic biodynamic ingredients combined with science-backed, lab-made ingredients for maximum effectiveness.

Absolutely. All our products are cruelty-free.

We offer two options; with or without fragrance. Any fragrance we may use has been legally-tested hypoallergenic, and proven to be allergen-free. For those with highly sensitive skin, we recommend a patch test on the inner arm a few days prior to face application.

Absolutely. All our products are cruelty-free.

How quickly you see results will depend on consistency with your skincare routine. We’ll never promise miracles (no one should), but with commitment, you will see results from up to 1-month.

We stand by our products with a 100% satisfaction guarantee that covers your order within 15-days of shipment. If you’re not completely satisfied with your products, you can either receive a one-time complimentary formula adjustment, or return your order for a full refund. Contact us athello@456skin.comwith your order number for the next steps.

Due to our formulations tailored to your specific needs and freshly made-to-order, we’re currently unable to offer samples. For more information, contact our team at hello@456skin.com, and we’ll ensure your formulation is the best fit for you.