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Biodroga Medical Institute Skin Booster 15% Vitamin C Serum (Pro Size) – 50 ml / 1.7 fl oz

$138.00

The 50 ml back-bar bottle of Biodroga Medical Institute Skin Booster 15% Vitamin C Serum is a brightening formula for regular use in facials.

  • 15% stable vitamin C paired with tranexamic acid
  • Lower cost per application than the 15 ml retail bottle
  • Made in Germany by Biodroga, Black Forest
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What is the professional Biodroga Skin Booster 15% Vitamin C Serum?

This 50 ml bottle is the professional back-bar size of Biodroga Medical Institute Skin Booster 15% Vitamin C Serum. The formula centers on 3-O-ethyl ascorbic acid, a stable vitamin C derivative. It holds this derivative at a 15% concentration and pairs it with tranexamic acid.

Estheticians use it both as a serum step within a facial and as a source bottle. From that bottle, they portion out client take-home samples. For this reason, its size goes well beyond the small retail bottle.

Key benefits

  • Facial-ready brightening step: the stable vitamin C is formulated to help skin look more even and radiant, suited to layering into a treatment protocol.
  • Targets the look of uneven tone: tranexamic acid works alongside the vitamin C to support a more balanced-looking complexion, including redness-prone areas.
  • Doesn’t skip hydration: sodium hyaluronate keeps the formula from feeling drying under other treatment steps.
  • Economical at volume: the 50 ml fill brings the per-application cost down for a serum used in most facials.

Key ingredients

According to the product’s published ingredient list, 3-O-Ethyl Ascorbic Acid sits at the core of the formula. This stable vitamin C derivative has a concentration of 15%.

In addition, Tranexamic Acid works alongside it to help address the look of unevenness and redness. Sodium Hyaluronate then adds a layer of hydration, so the serum doesn’t feel stripping. Finally, the formula carries no added fragrance.

How to use the Skin Booster 15% Vitamin C Serum

  1. Cleanse and tone skin as the first steps of the service.
  2. Then apply a few drops to face and neck as a dedicated serum step in the treatment sequence.
  3. Massage in fully before moving to the next product layer.
  4. Afterwards, follow with moisturizer to close out the service.
  5. When dispensing a portion for home use, remind the client to wear daytime sunscreen, standard practice with any vitamin C serum.

Who the professional 15% Vitamin C Serum is for

This bottle suits estheticians who build vitamin C into their standard facial sequence. It also suits those who like to send clients home with a sample poured from the same bottle used in-treatment. Rather than stocking a separate retail SKU for that purpose, they pour from one bottle.

Retail size vs. professional size

At 50 ml, this professional back-bar bottle costs less per application than the 15 ml retail bottle. The saving applies once the serum is a regular part of the treatment menu. However, the smaller retail size better suits a client who only wants their own bottle for home use.

Full ingredient list (INCI)

Aqua (Water), 3-O-Ethyl Ascorbic Acid, Pentylene Glycol, Tranexamic Acid, Glycerin, Sodium Hyaluronate, Sodium Polyphosphate, Hydroxyacetophenone, Sodium Bisulfite, Succinoglycan, Xanthan Gum, Citric Acid

Ingredient list per Biodroga’s official US site (biodrogausa.com, same formula as this professional-size bottle). Formulas can change; always check the list on the package you receive.

Frequently asked questions

How is this 50 ml bottle typically used in a facial?

As a dedicated brightening serum step after cleansing and toning, applied to the face and neck and massaged in before moisturizer.

Can I use this bottle to give clients take-home samples?

Yes, spas often portion small amounts from the 50 ml back-bar bottle for clients to try at home, which is part of why it's sized larger than the retail bottle.

What form of vitamin C is in this serum?

3-O-ethyl ascorbic acid, a stable derivative of vitamin C, held at a 15% concentration rather than plain ascorbic acid.

Is this serum fragranced?

No, the published ingredient list does not include added fragrance.

Why does this size cost less per use than the 15 ml bottle?

The 50 ml fill spreads the price across far more applications, which matters once vitamin C becomes a routine step in the treatment menu rather than an occasional add-on.

Is this authentic Biodroga and where does it ship from?

Yes. OrganicSkinCare.com sources Biodroga through the brand's US distributor, and orders ship within the United States.

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