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Biodroga Medical Institute Skin Booster 1% Retinol Serum (Pro Size) – 44 ml / 1.5 fl oz

$138.00

Biodroga Medical Institute Skin Booster 1% Retinol Serum is an evening serum pairing 1% retinol with sodium hyaluronate. This back-bar bottle holds 44 ml.

  • Roughly triple the 15 ml retail bottle, lowering the cost per dispense
  • Fragrance-free, evening-only formula for client take-home protocols
  • Made in Germany by Biodroga, Black Forest
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What is the professional Biodroga Skin Booster 1% Retinol Serum?

This 44 ml bottle is the professional (back-bar) size of Biodroga Medical Institute Skin Booster 1% Retinol Serum. The formula centers on retinol at a 1% concentration, together with sodium hyaluronate for hydration. Retinol is a well-studied vitamin A derivative. Estheticians recommend it to clients for the look of smoother, firmer skin with consistent evening use.

The larger fill is meant for a practice that sends clients home with this serum. The same applies to a practice that restocks it as part of a retinol program, rather than selling one small bottle at a time.

Key benefits of the professional Skin Booster 1% Retinol Serum

  • Built for volume dispensing: 44 ml stretches across far more client fills than the 15 ml retail bottle. It also brings a lower cost per dispense.
  • Supports smoother-looking texture: retinol is included to help visibly refine the look of fine lines and uneven texture over time.
  • Firmer-feeling skin: consistent use is also intended to support the look of elasticity and firmness.
  • Hydration built in: sodium hyaluronate helps offset the dryness that retinol can sometimes cause. That is useful when introducing new clients to the active.

Key ingredients

According to the product’s published ingredient list, Retinol is the featured active at 1%. It is included to support collagen-related processes and a smoother-looking texture.

Sodium Hyaluronate and Phospholipids also hydrate and support the skin’s barrier alongside the retinol. Meanwhile, Tocopheryl Acetate (vitamin E) adds antioxidant support. The formula carries no added fragrance, which matters when recommending it to fragrance-sensitive clients.

How to use Skin Booster 1% Retinol Serum

  1. Have the client cleanse and tone as usual, evening only.
  2. Then dispense one to two pipette strokes to the face, avoiding the eye and lip area.
  3. If a client is new to retinol, recommend 2–3 evenings a week to start, building up gradually as tolerated.
  4. After that, follow with a moisturizer. Remind clients to wear broad-spectrum sunscreen every morning while using it.
  5. Advise against layering it with other retinoid or acid-peel treatments the same day.

Who it is for

This bottle suits estheticians and spas that regularly recommend or refill the 1% Retinol Serum for clients. When those clients follow an ongoing retinol protocol, the per-application cost of the small retail bottle adds up quickly.

Retail size vs. professional size

This listing is the 44 ml professional (back-bar) bottle. It holds close to three times the 15 ml retail bottle. As a result, it works out to a meaningfully lower cost per application for a practice dispensing it often.

However, a client who only wants a personal supply is better off with the smaller retail bottle. In addition, the brand’s US site currently lists this formula as phasing out. Distributor stock of either size is therefore worth confirming before ordering.

Full ingredient list (INCI)

Aqua (Water), Caprylic/Capric Triglyceride, Glycerin, Sodium Hyaluronate, Phospholipids, Retinol, Tocopheryl Acetate, Succinoglycan, Sodium Polyphosphate, Propanediol, Caprylhydroxamic Acid, Sodium Benzoate, 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 much further does the 44 ml bottle go than the 15 ml retail bottle?

It holds close to three times as much, which lowers the cost per dispense for a practice recommending or refilling this serum for clients regularly.

Is this the right size for a spa to sell directly to clients?

It's built more for back-bar dispensing and refills within an ongoing retinol protocol; the 15 ml retail bottle is the better single-purchase size for a client to take home.

Is this serum fragranced?

No, the published ingredient list does not include added fragrance, which is worth noting for fragrance-sensitive clients.

How should clients be walked into this retinol serum?

Recommend 2–3 evenings a week at first, evening use only, gradually building frequency, always paired with daytime sunscreen.

Can this be combined with acid peels or other retinoids?

No, avoid using it the same day as an acid peel, microneedling treatment, or another retinoid product, to reduce the risk of irritation.

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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