Retinil Serum

Retinol Serum

Treatment of skin conditions at SieroSanto | Effective skin care in Ypres.

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  • Medik8 CRYSTAL RETINAL 6™
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    Medik8 CRYSTAL RETINAL 6™

    Medik8 CRYSTAL RETINAL 6™

    €72,25
    Sale price  €72,25 Regular price  €85,00
  • Medik8 CRYSTAL RETINAL 3™
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    Medik8 CRYSTAL RETINAL 3™

    Medik8 CRYSTAL RETINAL 3™

    €55,25
    Sale price  €55,25 Regular price  €65,00
  • Medik8 CRYSTAL RETINAL 10™
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    Medik8 CRYSTAL RETINAL 10™

    Medik8 CRYSTAL RETINAL 10™

    €92,65
    Sale price  €92,65 Regular price  €109,00
  • Medik8 CRYSTAL RETINAL CERAMIDE EYE 3
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    Medik8 CRYSTAL RETINAL CERAMIDE EYE 3

    Medik8 CRYSTAL RETINAL CERAMIDE EYE 3

    €45,05
    Sale price  €45,05 Regular price  €53,00
  • Medik8 Crystal Retinal 20™
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    Medik8 Crystal Retinal 20™

    Medik8 Crystal Retinal 20™

    €97,75
    Sale price  €97,75 Regular price  €115,00
  • Medik8 Crystal Retinal Serum 24
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    Medik8 Crystal Retinal Serum 24

    Medik8 Crystal Retinal Serum 24

    €109,65
    Sale price  €109,65 Regular price  €129,00
  • Medik8 CRYSTAL RETINAL CERAMIDE EYE 6
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    Medik8 CRYSTAL RETINAL CERAMIDE EYE 6

    Medik8 CRYSTAL RETINAL CERAMIDE EYE 6

    €57,80
    Sale price  €57,80 Regular price  €68,00
  • Medik8 CRYSTAL RETINAL 1™
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    Medik8 CRYSTAL RETINAL 1™

    Medik8 CRYSTAL RETINAL 1™

    €47,60
    Sale price  €47,60 Regular price  €56,00
  • Medik8 INTELLIGENT RETINOL SMOOTHING NIGHT CREAM
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    Medik8 INTELLIGENT RETINOL SMOOTHING NIGHT CREAM

    Medik8 INTELLIGENT RETINOL SMOOTHING NIGHT CREAM

    €59,50
    Sale price  €59,50 Regular price  €70,00
  • Medik8 CRYSTAL RETINAL CERAMIDE EYE 10
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    Medik8 CRYSTAL RETINAL CERAMIDE EYE 10

    Medik8 CRYSTAL RETINAL CERAMIDE EYE 10

    €72,25
    Sale price  €72,25 Regular price  €85,00
  • Medik8 R-RETINOATE® DAY & NIGHT EYE SERUM
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    Medik8 R-RETINOATE® DAY & NIGHT EYE SERUM

    Medik8 R-RETINOATE® DAY & NIGHT EYE SERUM

    €101,96
    Sale price  €101,96 Regular price  €119,95
  • Medik8 R-RETINOATE® DAY & NIGHT™
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    Medik8 R-RETINOATE® DAY & NIGHT™

    Medik8 R-RETINOATE® DAY & NIGHT™

    €160,65
    Sale price  €160,65 Regular price  €189,00
  • Medik8 R-RETINOATE INTENSE®
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    Medik8 R-RETINOATE INTENSE®

    Medik8 R-RETINOATE INTENSE®

    €216,75
    Sale price  €216,75 Regular price  €255,00
  • Circadia Vitamin A Boosting Cream

    Circadia Vitamin A Boosting Cream

    Circadia Vitamin A Boosting Cream

    €94,80
    Sale price  €94,80 Regular price  €94,80

What do you use a retinal serum for?

A retinal serum is usually chosen to make the skin look smoother and more even. Many people use it for visible signs of skin aging, dull skin, uneven texture, or more noticeable pores. If you want to specifically target pores, choose targeted pore-refining products from Medik8.

How do you choose the right serum?

In this category, you should mainly look at two things: your experience with retinoids and how sensitive your skin reacts to active skincare. Beginners usually choose a gentler entry level. Those already accustomed to Medik8 vitamin A can build up more precisely within a stronger level. If your skin is more sensitive or you want a milder entry, consider a retinol cream. New to vitamin A? Read Retinol for beginnersfor practical tips on building up and frequency.

  • For beginners: choose a lower entry level and build up slowly.
  • For experienced users: choose a higher strength only if your skin tolerates previous retinoids well.
  • For the eye contour: use a serum specifically developed for the sensitive skin around the eyes.
  • If in doubt: seek advice, so that your product and usage time are well coordinated.

Our offer within this category

At SieroSanto, within this category you will find selected retinal and retinoid serums, such as variants from the Medik8 Crystal Retinal line and IOAN Fill me up more. In addition, there is also a specific retinoid eye serum option for the eye contour. If you want an advanced vitamin A option with higher tolerance, check out r‑Retinoate: advanced vitamin A.

How to use a retinal serum wisely

Retinoids are typically used in the evening routine. Start a few times a week rather than daily right away, and give your skin time to adjust. During the day, good sun protection is a logical addition to any routine with vitamin A. For example, choose Sun protection SPF (Medik8). If you want to know how to combine vitamin C and SPF during the day with vitamin A in the evening, read the Medik8 CSA‑philosophy.If you notice your skin feels tight, sensitive, or drier, building up more slowly is usually wiser than going faster. A consistent, tailored routine often works better than trying to do too much at once.

Why choose SieroSanto?

We combine a premium webshop with personal, honest guidance based on our expertise in skincare. This means you don't just choose a product, but also a routine that better suits your skin, goals, and comfort.Whether you order from Belgium, the Netherlands, or the region around Ypres: we believe that healthy skin starts with the right guidance. Shop your retinal serum online or let us advise you for a choice that truly suits you.

Frequently asked questions

What is a retinol or retinyl serum good for?

This type of serum is mainly used to refine skin texture, even out skin tone, and address visible fine lines. Which formula works best depends on your skin and your experience with active ingredients. For hyperpigmentation, you can also opt for pigment-lightening skincare from Medik8.

Can I use a retinol serum every day?

Not always immediately. Most people find it better to gradually build up and see how their skin reacts. As soon as your skin tolerates it well, you can evaluate whether more frequent use fits into your routine.

Why does my skin sometimes react sensitively to retinoids?

This mainly happens when you start too quickly, apply too often, or choose a strength that is too high for your skin. By starting lower and building up gradually, use generally remains more comfortable.

What is the best retinol serum?

The best serum is not the same for everyone. A good choice depends on your skin sensitivity, your experience with retinoids, and whether you are looking for a serum for the face or specifically for the eye contour.