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<p><span style="text-decoration:none;" id="isPasted">Yes, you can layer C-Tetra Advanced with C-Tetra Day Cream for an intensely brightening regime.</span></p>

Yes, you can layer C-Tetra Advanced with C-Tetra Day Cream for an intensely brightening regime.

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

Product & Regimes

C-Tetra Advanced Gel-Serum

What is happening to the Me&Medik8 Rewards program?

Why can't I see my points balance on my account page?

Will I lose my points or tier status during this time?

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I'm a Crystal Plus or Crystal Deluxe member. Will I still get free shipping?

When will the new Me&Medik8 program be ready?

An Update to Me&Medik8

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Which regime should I try?

Which Crystal Retinal Strength should I start with?

How do I layer my Medik8 serums?

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My pump is not working

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What is the difference between Crystal Retinal and R-Retinoate?

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Need help with one of our products?

Can I use C-Tetra Advanced Gel-Serum 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 Gel-Serum with Liquid Peptides Advanced Face Serum in the morning?

Can I use C-Tetra Advanced Gel-Serum 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 C-Tetra Luxe?

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

What are exosomes/ What do exosomes do?

Does C-Tetra Advanced Gel-Serum contain fragrance/essential oils?

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Can I use C-Tetra Advanced with C-Tetra Day Cream?Updated 2 months ago