Morning routine
Not recommended in the morning. Always wear an SPF30+ during the day.
§I · FormulationFrom BIOSAR's Serenvit range
AHA + BHA + Charcoal Serum
Serenvit AHA + BHA + Charcoal Serum is BIOSAR's exfoliating evening serum for blemish-prone, congested skin. AHA loosens dull surface cells; Salicylic Acid (BHA) unclogs pores; Niacinamide regulates sebum; Activated Charcoal supports a clearer-looking finish. Use it as a targeted evening step two to three times a week, building up as tolerated. Always pair with a daily SPF30+ in the morning. Not for use alongside Retinol on the same night. Suitable for adults with oily and combination skin.
- Salicylic Acid
- Niacinamide
- Aloe VeraAloe Barbadensis Leaf Juice
- Activated CharcoalCharcoal Powder
Ten ranges
One philosophy
SFDA
Registered
GMP · ISO 22716
Standard
Why it works
Rough texture and clogged pores don't stand a chance. AHA resurfaces the surface, Salicylic Acid and BHA dive deep to clear congestion, and Charcoal draws out impurities while Niacinamide keeps skin balanced on a soothing Aloe Vera base. Pores look refined, texture looks smoother, and skin looks clearer and freshly renewed.
- Salicylic Acid
- Niacinamide
- Aloe Vera
- Activated Charcoal
- AHA
Proven Benefits
What this product does for your skin
Clearer complexion
Activated Charcoal supports a clearer-looking, decongested evening finish.
Exfoliated texture
AHA loosens dull surface cells for smoother-feeling skin.
Unclogged pores
Salicylic Acid unclogs pores on blemish-prone, congested skin.
Balanced sebum
Niacinamide regulates sebum across oily and combination skin.
How the actives work together
The deep clean that resurfaces without leaving skin feeling stripped
Charcoal draws out the look of congestion while AHA, BHA and Salicylic Acid resurface dull, uneven texture for a clearer finish. These are assertive actives, so Niacinamide steadies the skin and a generous Aloe Vera base keeps the whole step comfortable rather than harsh. The result is one purifying drop that leaves pores looking refined and the surface smooth, not raw.
Ingredient Research
Active ingredients backed by published studies
- −60%
Visibly clearer skin in a 12-week peel trial
In a controlled trial of mild-to-moderate acne, 30% salicylic acid cut the mean acne-severity score by 60.4% over six peels. It also reduced comedones by 53% and inflamed lesions by around 70%.
J Cosmet Dermatol 2017 (Dayal et al.) — View research → - −62%
Fades stubborn dark patches by up to 62%
In an 8-week split-face trial in melasma, 4% niacinamide cut the MASI pigmentation score by 62% — comparable to hydroquinone but with fewer side effects. Good-to-excellent improvement was seen on 44% of the niacinamide-treated sides.
Dermatol Res Pract 2011 (Navarrete-Solís) — View research → - moisture+
Topical aloe visibly boosts skin moisture
In this topical forearm trial, an aloe-extract cream significantly raised stratum-corneum water content versus its vehicle, measured by Corneometer. One to two weeks of daily use hydrated skin without disrupting the barrier.
Dal'Belo SE, Gaspar LR, Maia Campos PMBG. Moisturizing effect of cosmetic formulations containing Aloe vera extract in different concentrations assessed by skin bioengineering techniques. Skin Res Technol. 2006;12(4):241-246. — View research →
Results from published peer-reviewed studies on individual active ingredients. Individual product results may vary.
Transparency
What's inside — and what's not
- 01
Salicylic Acid
Salicylic Acid
Beta-hydroxy acid. Oil-soluble exfoliant used inside the pore to help remove sebum and dead keratinocytes. Standard pharmacy active for blemish-prone skin. Pregnancy use: topical Salicylic Acid at low cosmetic concentrations is considered acceptable during pregnancy when applied to limited areas and without occlusion. Consult your doctor for your specific situation.
- 02
Niacinamide
Niacinamide
Vitamin B3. Strengthens the skin barrier, helps calm visible redness, and supports balanced sebum. Multi-benefit active suitable for most skin types including sensitive.
- 03
Aloe Vera
Aloe Barbadensis Leaf Juice
Botanical humectant used as a comforting base across serums, baby care, and cleansers. High concentrations deliver noticeable cooling and hydration.
- 04
Activated Charcoal
Charcoal Powder
Its porous surface binds excess oil and impurities so they rinse away, leaving skin feeling purified.
- 05
AHA
Alpha Hydroxy Acids
They dissolve the bonds holding loose surface cells, supporting gentle exfoliation and surface renewal.
Application Guide
How to use
Evening routine
Apply a few drops to clean dry skin before moisturizer. Start twice a week and build up gradually.
Realistic Expectations
What to expect
I
From day one
Felt on first use
Skin drinks in the serum and feels comfortable, hydrated and cared for.
II
Week 1–2
First visible results
The targeted concern — hydration, tone, texture or firmness — starts to visibly improve.
III
Week 4–6
Full targeted result
The serum's focused benefit reaches its peak with consistent daily use.
Individual results vary based on skin condition and routine consistency.
Complete the routine
Pairs beautifully with
Hydraderm Face Gel
Serenvit serums work harder on a hydrated canvas. Follow every serum with Hydraderm as your moisturizer step to seal each active in.
ExploreSunprotex SPF50+
Actives brighten and renew — SPF guards the result. Finish every morning routine with Sunprotex to keep your progress visible.
Explore
Last reviewed by BIOSAR Scientific Team, PharmD, Cosmetic Chemistry, Pharmacy practice on .
Claims & methodology
- Reduces visible blemishes and refines surface texture — Consumer perception study. Study on file at BIOSAR Laboratories.
Published references
- J Cosmet Dermatol 2017 (Dayal et al.). onlinelibrary.wiley.com/doi/abs/10.1111/jocd.12266
- Dermatol Res Pract 2011 (Navarrete-Solís). pmc.ncbi.nlm.nih.gov/articles/PMC3142702/
- Dal'Belo SE, Gaspar LR, Maia Campos PMBG. Moisturizing effect of cosmetic formulations containing Aloe vera extract in different concentrations assessed by skin bioengineering techniques. Skin Res Technol. 2006;12(4):241-246.. pubmed.ncbi.nlm.nih.gov/17026654/