We're here to help between:
Monday - Friday 9am - 7pm 
Saturday - Sunday 9am - 5:30pm

*all times are in GMT.

Medik8 UK Help Centre

Yes, you can layer C-Tetra Advanced with C-Tetra/C-Tetra Cream for an intensely brightening regimeC-Tetra Advanced would be applied after.

Yes, you can layer C-Tetra Advanced with C-Tetra/C-Tetra Cream for an intensely brightening regime. C-Tetra Advanced would be applied after.

Can I use C-Tetra Advanced with C-Tetra/C-Tetra Cream?

Product & Regimes

C-Tetra Advanced

How long does shipping take?

Where do you ship to?

How much does shipping cost?

How can I track my order?

Do you require a signature?

I have a problem with my delivery

How do I change my delivery address after placing an order?

Will my orders be merged if I place multiple orders?

What happens if my order is lost or damaged by a freight forwarder?

Shipping & Delivery

How do I return a product?

How long does a refund take?

Are my Me&Medik8 points refunded if I make a return?

Can I exchange my item?

Returns & Refunds

Can I use C-Tetra Advanced if I’ve never used vitamin C before?

Is 20% vitamin C safe for the skin?

Where do I layer C-Tetra Advanced in my routine?

Can I layer  C-Tetra Advanced with Liquid Peptides Advanced MP in the morning?

Can I use C-Tetra Advanced in the evening?

Which C-Tetra Product is right for me?

Can I use vitamin C & A (Crystal Retinal) in the same regime?

Can I use C-Tetra Advanced with Daily Radiance Vitamin C?

Can I use C-Tetra Advanced with C-Tetra Luxe?

Can I use C-Tetra Advanced with Super C Ferulic?

How does C-Tetra Advanced compare to Super C Ferulic?

What are exosomes/ What do exosomes do?

Does C-Tetra Advanced contain fragrance/essential oils?

What are MiniProteins?

How do I layer Liquid Peptides Advanced within my existing regime?

Can I use Liquid Peptides Advanced around the eye area?

How do I layer with Crystal Retinal?

What's the difference between Liquid Peptides Advanced MP and Liquid Peptides (original)?

Can I use Liquid Peptides Advanced MP and Liquid Peptides (original) in the same regime?

How do I use Liquid Peptides Advanced MP with Crystal Retinal?

Liquid Peptides Advanced MP

Which Crystal Retinal Should I start with?

How do I use Medik8 Crystal Retinal when moving to a higher strength?

Can I use Peptides with Crystal Retinal?

When can I start Retinal after a facial.

Can Crystal Retinal be used on men's skin?

When can I apply Retinal after a peel

Crystal Retinal

Can Peptides be used together?

Applying Hydr8 B5 with other products

Liquid Peptides formula

Applying Liquid Peptides around the eye area

Peptides

How can I get skincare advice tailored to me?

How do I layer or in what order should I use products?

Which regime should I try?

Can I use Medik8 products during pregnancy or when nursing?

Do you test on animals?

Are Medik8 products vegan-friendly?

Are Medik8 products fragranced?

What is Medik8’s approach to sustainability?

Do you have samples I can try?

I suffer with Rosacea / Acne / Psoriasis  which products should I use?

When should I do a patch test?

I'm experiencing irritation / breakouts

How do I find out the expiry date?

Ingredients to our products

How can I find out when a product is back in stock?

Need help with a product experience?

How do I switch from another Brand's Vitamin A?

My Pump is not working

Are Medik8 products suitable for men?

General Advice

What sunscreens do you offer at Medik8 and which one should I use?

How are your sunscreens SPF tested?

Sunscreen

How can I amend or cancel my order?

How can I check the status of my order?

I didn't receive an order confirmation?

My order has arrived and there's a problem

My order is pending

I've received a cancellation email and don't know why

Will my order be merged if I place multiple orders?

Orders

About Me&Medik8

How do I earn points?

Reward Vouchers

I have converted my points into a reward voucher, but I can't find the unique code?

What is Refer a Friend?

I haven't received my birthday points or free product

Why can't I see my birthday gift as free during checkout on Medik8?

How do I leave the program?

Why aren't my Double Points showing at checkout?

Me&Medik8 Rewards

How do I use my Welcome code?

My discount code is not working

I forgot to apply my Welcome code

My rewards voucher is not working at checkout

What do I do if I didn't receive my gift with purchase?

Promotions & Discount Codes

Which payment methods do you accept?

How do I unsubscribe or delete my account?

How do I unsubscribe from SMS text messages?

How do I buy a gift card?

When does my gift card expire?

How do I reset my password?

Do I need an account to place an order?

How do I change my account details?

Payments & My Account

I'm unable to checkout

I'm unable to log into my account

Technical

New Stockist / Training / Certification request

How can I find a medical treatment near me?

Professional & Treatments

I'm interested in collaborating with you

Press & Influencer Request

Do you have a store I can visit?

Contact Us

Other

How can we help?

Can I use C-Tetra Advanced with C-Tetra/C-Tetra Cream?Updated 4 months ago