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 Maps here.

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 Maps here.

We are 100%Good Face Project approved, Sephora and Ulta Beauty Clean. 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.

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 14 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.To be eligible for a return please note the following:

• Products must be returned in their original packaging, which includes the cardboard boxes the individual products come in.
• The products should not have been extensively used, except for an initial test to evaluate the formula. Excessive usage or damage to the product may impact your eligibility for a return.
• All returns must include a copy of the original packing slip or invoice to help us identify your order and process your return promptly.

The cost of returning the product to us is the responsibility of the customer. We recommend using a trackable shipping method to ensure the safe and timely arrival of your return. We are not responsible for any return shipments that have been lost or damaged in transit.

Return Process

To initiate a return or request a formula adjustment, please contact our customer support team at hello@456skin.com with your order number. We will provide you with instructions on how to proceed with the return.

Return Options

You have two options for returns:

• Formula Adjustment: If you're not entirely satisfied with the product's performance, we offer a one-time complimentary formula adjustment. Contact us for further details on how to request this option.
• Full Refund: If you prefer a refund, we will process a full refund for the cost of the returned products once we have received and inspected the returned items.

Refund Processing

Once we receive your returned products and inspect them for compliance with our return policy, we will process your refund or formula adjustment promptly. Refunds will be issued using the same payment method used for the original purchase.Please allow some time for the processing of your return, which may vary depending on your payment provider.If you have any questions or concerns about our return policy, please feel free to reach out to our customer support team at hello@456skin.com. We are here to assist you and ensure your satisfaction with our products.

Thank you for choosing 4.5.6 Skin!

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.

Our products are made fresh in our own lab, the worlds first that focuses on the Science of Skin Tone, and shipped from the French Cosmetics Valley. This does mean that our shipping can take a little longer than we’d like.  We are working on this, but have organised a half price express shipping for those that need their products fast, or pre Christmas.

Standard Shipping

Delivery time: 10-12 days

Last order date: 8th December

Price: £8

Express Shipping offer on orders over £50

Delivery time: 2-4 days

Last order date: Monday 18th December

½ price shipping @ £11