Solve On AcneSerum AHA 5% facial serum

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Multifunctional acids for skin with imperfections

  • combined action of different acids to improve the condition of skin with acne that requires special care
  • lactic, malic, and shikimic acids in the product normalize epidermal desquamation processes and regulate sebum secretion
  • reduces visibility of acne scars and helps restore the skin’s smooth texture
  • contains a gallic acid derivative to even out skin tone and minimize large pores
  • reduces blemishes, as reported by 70% of surveyed women*


The 5% AHA acid complex effectively, yet gently exfoliates the skin, which is an important element of acne skin care.

129,00 PLN
30 mL
Free shipping on orders above 300 PLN
Ships in 24h

What makes the AcneSerum AHA 5% facial serum special?

Unique composition for problematic skin

The AcneSerum AHA 5% facial serum contains a combination of carefully selected acids (2% shikimic acid, 2% lactic acid, and 1% malic acid) to reduce excessive keratinization, even out skin tone, and make acne scars less prominent.

Acids at optimal and safe concentrations

Acids in the AHA complex and their concentrations have been specially selected to make sure their keratinization-regulating action is effective and safe for the problematic skin. Thus, they do not cause redness, dryness, or stinging, which could appear at higher concentrations.

Moisturizes and protects against irritation

Beside the AHA acid complex, the AcneSerum AHA 5% facial serum contains antioxidative diglucosyl gallic acid, hydrating lactobionic and hyaluronic acids, and soothing panthenol, which together make the skin soft and strongly moisturized.

Scientifically proven results

The effectiveness and safety of the Solve On AcneSerum AHA 5% facial serum have been confirmed by a survey conducted among women in an independent research laboratory after four weeks of using the product, as well as skin condition measurements with the use of specialist equipment.

Original formula

The formula of the Solve On AcneSerum AHA 5% facial serum has been designed by our team of experts in the fields of chemistry, biotechnology, cosmetology, and chemical technology with many years of experience in the beauty industry.

Scientifically proven results*

Scientifically proven results*

Praised by women

Effects can be noticed after just two weeks of regular use

80% confirm that AcneSerum normalizes the removal of dead skin cells

80% notice that the product makes the skin less shiny

60% say that AcneSerum reduces the prominence of acne scars

70% confirm that the product reduces skin imperfections

60% remark that the serum limits sebum secretion

70% think using AcneSerum made their skin smoother

*A survey conducted in a group of 10 women in an independent research facility

What you need to know

How to use

Solve On AcneSerum AHA 5% facial serum

Use in the evening

— avoiding the eye area

Directions for use

Ingredients (INCI)



Excessive keratinization of hair follicle openings

causes them to clog and creates an anaerobic environment, perfect for excessive proliferation of C. acnes bacteria. This is one of the main causes of acne. Using products that regulate the skin desquamation process helps unblock the openings of pilosebaceous units and normalize sebum secretion. The texture of the skin becomes smoother and discolorations caused by acne become less prominent.

Choose it if you want to...

  • normalize the processes of epidermal desquamation and sebum secretion

  • reduce blemishes and smooth out your skin

  • make acne scars less prominent

  • achieve an even skin structure and tone

  • minimize large pores

  • restore proper hydration

Discover the ingredients of your serum

Active ingredients

Lactic acid (AHA)

It is an alpha hydroxy acid (AHA) naturally found in milk. In the human skin, lactic acid (in the form of sodium lactate) is one of the components of NMF (natural moisturizing factor). At low concentrations, it is used as an active ingredient in cosmetics to moisturize the skin. It inhibits tyrosinase activity, which helps brighten discolorations and even out skin tone. This acid also has antibacterial properties. 

Malic acid (AHA)

Naturally found in many types of fruit, it belongs to the group of alpha hydroxy acids, which are potent active ingredients used in dermatology and cosmetology to treat acne, seborrhea, scars, melasma, and other types of discolorations, and to improve the condition of aging skin. Their effect on the skin depends on the concentration and pH value of the product. Used at low concentrations, malic acid has moisturizing, brightening, and firming properties, while at higher ones, it works as an exfoliating and softening agent.

Shikimic acid (AHA)

An alpha hydroxy acid obtained from star anise (Illicium verum). It has a carboxyl group, which means it can bind water in the epidermis to prevent transepidermal water loss. It improves hydration and makes the skin soft and supple. It is a mild keratolytic agent. It does not make skin red or dry. It is an antioxidant — it neutralizes and stabilizes free radicals, preventing uncontrolled reactions between free radicals and skin biomolecules.

Thanks to its antimicrobial and exfoliating properties, shikimic acid is perfect for acne-prone skin. It regulates excessive keratinization of the epidermis, unclogs sebaceous gland openings, and reduces the proliferation of microbes. 

Diglucosyl gallic acid

A gallic acid derivative that belongs to the category of phenolic acids, with increased stability and bioavailability. It has documented anti-inflammatory, anti-oxidative, and antifungal properties. Diglucosyl gallic acid brightens discolorations, evens out skin tone, reduces erythema, and minimizes large pores.

Lactobionic acid

Lactobionic acid is a polyhydroxy acid (PHA). It has a similar impact on the skin as AHA acids, but due to the structure of its molecules, it acts more gently, without causing irritation or redness. It has excellent moisturizing and antioxidative properties. 

Hyaluronic acid

Powerful moisturizer that can reduce transepidermal water loss. It can improve skin hydration, speed up its regeneration, and act as an anti-aging agent. Depending on its molecular weight, HA takes on different properties: smaller molecules can penetrate the epidermal barrier more easily, ensuring hydration in the superficial layers of the epidermis, while high molecular weight hyaluronic acid does not penetrate the epidermis, but binds water molecules on its surface, creating a moisturizing compress which reduces discomfort and dehydration.


A substance that soothes irritations and accelerates skin regeneration. Helps eliminate skin dehydration.

Lactic acid (AHA)

It is an alpha hydroxy acid (AHA) naturally found in milk. In the human skin, lactic acid (in the form of sodium lactate) is one of the components of NMF (natural moisturizing factor). At low concentrations, it is used as an active ingredient in cosmetics to moisturize the skin. It inhibits tyrosinase activity, which helps brighten discolorations and even out skin tone. This acid also has antibacterial properties. 

Expert opinion

5% AHA acid complex helps improve the condition of skin with acne

A good care routine for acne skin should address all its needs and provide active ingredients that not only target specific problems, but also support basic skin functions by ensuring good hydration in the epidermis and preventing irritations.

Alicja Śliwowska, Ph.D.

She has a Ph.D. in chemical sciences, MA is cosmetology, and is a certified nutritionist. She is the author of numerous scientific publications, co-author of the cosmetic product patent, and one of the authors of Health Labs Care beauty product formulas.

Alicja Śliwowska, Ph.D.

There are no miracles. Only science

  • Lactic acid helps reduce comedones

    The study demonstrated a reduction of comedones by 56% in patients using skin products with 2% lactic acid twice a day for 12 weeks, which also contributed to improved quality of life in the subjects. 


  • Lactic acid supports the function of the epidermal barrier

    The study demonstrated that lactic acid increases the level of ceramides in the stratum corneum of the epidermis and reduces transepidermal water loss (TEWL), which helps improve epidermal barrier function. 


  • Malic acid demonstrates protective properties against UVB radiation

    In an in vitro study, malic acid was demonstrated to protect epidermal cells against harmful UV radiation by inhibiting the release of inflammatory mediators (IL-6 and MCP-1). 

    Source: Dual Effects of Alpha-Hydroxy Acids on the Skin (

  • Lactobionic acid effectively moisturizes the skin

    Research has shown that lactobionic acid has excellent skin moisturizing properties and improves the barrier function of the stratum corneum, thus increasing skin’s resistance to chemical factors.

    Source: Lactic and lactobionic acids as typically moisturizing compounds - PubMed (

  • Shikimic acid regulates sebum secretion

    Studies have demonstrated that shikimic acid can inhibit the activity of lipase, thus reducing the amount of free fatty acids, in turn helping to unblock sebaceous gland openings and reduce excess sebum secretion.


  • Diglucosyl gallic acid has anti-oxidative properties

    In vitro, diglucosyl gallic acid was demonstrated to reduce the production of free radicals, inhibit tyrosinase activity and melanin transfer, as well as help control inflammatory processes.


  • Panthenol protects the skin against irritation

    Clinical studies have demonstrated that using hand balm containing 5% panthenol protects the skin against irritation. 

    Source: Efficacy of dexpanthenol in skin protection against irritation: a double-blind, placebo-controlled study - PubMed (

Frequently asked questions

How often can I use the 5% AcneSerum facial serum?

Is there a risk of redness, stinging, or dryness when using the AcneSerum AHA 5% facial serum?

Do I have to use an SPF product in the morning if I use the AcneSerum AHA 5% in the evening?

Can I use both the AcneSerum AHA 5% facial serum and products with retinol?

Can I use both the AcneSerum AHA 5% facial serum and products containing BHA acids?

Can pregnant and breastfeeding women use the product?

Why is the AcneSerum AHA 5% facial serum fragrance-free?

What should my skin care routine with the Health Labs Care products be if I have oily, combination, or acne skin?

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