COSRX PHA BHA Vitamin C Serum 30ml
COSRX PHA BHA Vitamin C Serum 30ml is a triple-action exfoliating and brightening serum that combines three powerhouse actives in one bottle. PHA (Polyhydroxy Acid) gently resurfaces the skin without irritation, BHA (Salicylic Acid) penetrates deep into pores to clear congestion, and Vitamin C brightens dark spots and defends against oxidative stress. With added Hyaluronic Acid for hydration balance, this Korean skincare formula delivers smoother texture, more even tone, and a visibly radiant complexion — all in a single daily step. Ideal for oily, acne-prone, or dull skin seeking a comprehensive yet gentle active serum.
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Cosrx Pha Bha Vitamin C Serum 30ml
Description
COSRX PHA BHA Vitamin C Serum 30ml — Triple-Action Exfoliating & Brightening Serum
COSRX PHA BHA Vitamin C Serum 30ml is a concentrated Korean skincare treatment that combines three proven actives in a single formula. PHA (Polyhydroxy Acid) delivers gentle surface exfoliation suited to all skin types including sensitive; BHA (Salicylic Acid) penetrates deep into pores to clear congestion, blackheads, and breakouts; and Vitamin C targets hyperpigmentation, dark spots, and dullness while defending against free radical damage. Together they form a seamless triple-action routine step that refines texture, brightens tone, and supports long-term skin health.
Why Choose COSRX PHA BHA Vitamin C Serum?
- Triple-active formula: PHA + BHA + Vitamin C address exfoliation, pore clarity, and brightening simultaneously — replacing multiple separate products
- PHA gentle exfoliation: Polyhydroxy Acid is the mildest exfoliating acid, safe for sensitive and compromised skin barriers
- BHA (Salicylic Acid) pore cleansing: Oil-soluble acid dissolves sebum inside pores, reducing blackheads, whiteheads, and acne-related congestion
- Vitamin C brightening: Combats dark spots, post-acne marks, and uneven tone for a visibly luminous complexion
- Antioxidant protection: Shields skin from UV-induced oxidative stress and environmental pollutants
- Hyaluronic Acid support: Balances the exfoliating action by maintaining skin hydration and preventing post-acid dryness
How to Use
- Apply after cleansing — browse our anti-acne cleansers for the ideal prep step
- Dispense 2–3 drops onto fingertips and press gently across face and neck, avoiding eye area
- Begin 2–3 times per week and increase frequency as skin adjusts
- Follow with a moisturiser to seal in hydration
- Apply a broad-spectrum SPF 30+ sunscreen every morning without fail
Ideal For
Oily, acne-prone, and combination skin with concerns including enlarged pores, dull complexion, dark spots, and uneven texture. Distinct from the COSRX PHA BHA Clarifying Toner — this serum adds the brightening power of Vitamin C for a more comprehensive active treatment. Explore our full range of Vitamin C serums and face serums on Derma.pk.
Usage & Benefits
- Triple-active formula: PHA + BHA + Vitamin C work synergistically for exfoliation, pore clarity, and brightening in one serum
- PHA gentle exfoliation: Polyhydroxy Acid removes dead skin cells from the surface without the harsh sting associated with AHAs — ideal for sensitive skin
- BHA deep-pore cleansing: Salicylic Acid penetrates into pores to dissolve sebum plugs, reducing blackheads, whiteheads, and breakouts
- Vitamin C brightening: Combats hyperpigmentation, dark spots, and post-acne marks to deliver a more even and luminous skin tone
- Antioxidant defence: Vitamin C neutralises free radicals caused by UV exposure and pollution, helping prevent premature skin ageing
- Hyaluronic Acid hydration: Retains moisture in the skin so exfoliation does not cause dryness or tightness
- Refined skin texture: Regular use smooths rough patches and minimises the appearance of enlarged pores
- Distinct from standalone products: Combines the action of a PHA BHA toner AND a Vitamin C serum into a single targeted treatment
How To Use
1. Cleanse your face thoroughly and pat dry.
2. Dispense 2–3 drops of COSRX PHA BHA Vitamin C Serum onto your fingertips.
3. Apply gently across face and neck, avoiding the eye area.
4. Begin with 2–3 applications per week; increase to daily use as your skin adjusts.
5. Follow with your regular moisturiser to lock in hydration.
6. Always apply a broad-spectrum sunscreen SPF 30+ in the morning — Vitamin C and exfoliating acids increase photosensitivity.
7. Best used in the evening routine to allow actives to work overnight.
8. Avoid using simultaneously with other strong actives such as retinol or high-concentration AHAs on the same application.
FAQs
How is this serum different from the COSRX PHA BHA Clarifying Toner?
The PHA BHA Clarifying Toner is a watery toning step focused on surface exfoliation and hydration. This Vitamin C Serum adds a third active — stabilised Vitamin C — for brightening and antioxidant protection, making it a more concentrated, multi-tasking treatment step rather than a prep toner.
Can I use this serum if I have sensitive skin?
Yes. PHA is the gentlest exfoliating acid family, making it well-suited for sensitive skin types. Start with 2–3 applications per week and monitor your skin's response before increasing frequency.
Can I use this with my retinol product?
It is best not to layer this serum with retinol in the same routine. Use the COSRX PHA BHA Vitamin C Serum in your AM routine (followed by sunscreen) or alternate evenings with your retinol.
Does the 30ml size provide good value?
Yes. Because only 2–3 drops are needed per application, the 30ml bottle typically lasts 2–3 months with regular use.
Where can I find more COSRX products in Pakistan?
Browse the full range of face serums and treatments and anti-acne products on Derma.pk.
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