Postbiotic Salicylic Acid Serum

Serum / 30ML


Does your skin suffer from excess sebum or a tendency to acne? Then you will need a product specially indicated for it. OILY SK POSTBIOTIC SALICYLIC ACID SERUM is a product especially indicated for oily or mixed skin, based on a triple combination of active ingredients that reduce imperfections, purify and reduce pores.

Its exclusive formula, which combines active ingredients such as salicylic acid and azelaic acid, acts by purifying and renewing your skin in its entirety.

Your face will look soft, smooth and free of imperfections again.

Its exfoliating action is key to renewing cells and keeping your skin healthier. When we do not carry out this action, the skin looks very dull and pimples or shine begin to appear due to clogging of the pores. By using a product like this exceptional serum, we eliminate dead cells, impurities and accumulated sebum, so that the skin takes a fresh breath.

In short, OILY SK POSTBIOTIC SALICYLIC ACID SERUM is a global treatment to protect and eliminate all the unwanted effects of oily and combination skin. It improves the appearance of the skin around the pimples or spots that may appear.

How will your skin look after using this serum? Incredible! Immediately, your face will look revitalized, free of blemishes and pores, more uniform, smooth and you will finally be able to say goodbye to those shines that make your skin look unhealthy.

Oily/acne prone skin
Day and night



  • This serum is for you if you want to show off a face free of shine and imperfections to achieve visibly more radiant skin.
  • You have oily, combination or acne-prone skin and you are looking for a serum for your facial routine adapted to your needs.
  • If you want to control excess sebum and mattify your oily or combination skin tone.
  • If you are looking for a moisturizing product that also helps you balance your skin.
  • If you want to recover the natural luminosity of your face.
  • If you are looking to exfoliate the obstruction of the sebum-hair channel.

It is especially recommended for acne-prone skin and imperfections such as enlarged pores or pimples. But, if you have sensitive skin with redness and irritation or your skin looks blotchy and the first wrinkles are already appearing, you can also use it without contraindications.

Although its active ingredients work with an exfoliating action, your face will be fully covered by the hydration provided by its other active ingredients, such as niacinamide (vitamin B) and hyaluronic acid.



It is one of the best ingredients for treating oily and acne-prone skin, which is why it is usually found in treatments that seek to lighten blemishes, regulate sebum production, or deep clean the epidermis.

It acts like a chemical exfoliant on the skin, removing dead cells and penetrating clogged pores. Therefore, it gives the skin a more uniform appearance. In addition, it favours the balance and health of the bacterial flora and eliminates excess accumulated sebum.

It has a keratolytic, purifying, soothing and depigmenting action. Helps to reduce the pore size and prevents the appearance of blackheads. It also has a purifying and depigmenting action, since it performs a deep cleaning while maintaining the skin’s bacterial flora in good condition.

Azelaic acid is useful for treating marks derived from acne thanks to its depigmenting effect.

Niacinamide, the active form of vitamin B3, is an essential nutrient for the skin. It contributes to making the skin look healthier, controls sebum production and helps reduce impurities. In addition, it strengthens the skin’s moisture barrier to improve its ability to retain moisture.

Its depigmenting action has also been shown to combat dark spots and improve the appearance of wrinkles and expression lines.

Natural and fundamental component of the skin that has a high capacity to retain water.

It has innumerable benefits, such as rebuilding the fibers that support skin tissue, moisturizing and improving water retention, and also serves as a support for collagen and stimulates its production.

OILY SK POSTBIOTIC SALYCILIC ACID SERUM includes a cocktail of postbiotics specially selected to promote the well-being of the microbiota of oily and/or acne-prone skin.

This selection helps enhance the skin’s natural ability to renew itself and provide essential proteins and enzymes that improve cell cohesion, increasing the barrier effect, protecting the skin and preventing water loss.

Essential trace element that regulates cell growth and helps repair and care for damaged tissues. Therefore, it is very effective in the treatment of skin lesions around pimples, a product of acne.

Zinc has astringent properties, helps regulate sebum and promotes dryness, mattification and healing of the skin. In addition, it has an antioxidant defense that neutralizes free radicals, which cause ageing and lack of elasticity.


The selective ingredients of OILY SK POSTBIOTIC SALICYLIC ACID SERUM, which combine the power of zinc and postbiotics, manage to soothe, regenerate and eliminate sebum from your face to promote the balance and health of the bacterial flora. It’s time to show off your blemish-free skin and feel confident about yourself.


Remember, proper regular deep cleansing is a key step in any facial routine, regardless of skin type, although it’s even more important in oily skin, as controlling bacterial proliferation is essential to prevent acne and other impurities. Therefore, when using Balancing Cream I, you should…

Perform daily cleaning with your usual product (we recommend applying OILY SK CLEANSING GEL).

Apply this serum for oily skin to your face, always through a careful massage.

When it is already settled on your face, the next step is to apply your day or night cream. As always, we recommend that you don’t forget to use your sunscreen during the day to avoid the appearance of spots and stop the ageing of the skin.

You can use it without problem both in your day and night routine. As we have indicated, apply it until completely absorbed, emphasizing the most affected areas.