COSRX in Bangladesh: Which Product Fits Your Skin? (2026)

COSRX built its reputation on short ingredient-led names and single-job bottles, which sounds simple until you line eight of them up. A toner, an essence, a booster serum and two treatment liquids can all look like variations of the same clear bottle, yet each occupies a different place in a routine.

This guide untangles that line-up by step rather than by hype: what each product is called, what size it comes in and what it costs per millilitre, plus catalogue oddities worth knowing before you spend, including smaller bottles that cost more than larger ones.

Best picks at a glance

• Best all-rounder: COSRX Advanced Snail 96 Mucin Power Essence 100ml — ৳1265 (≈ ৳12.7/ml)
• Best budget: COSRX Low pH Good Morning Gel Cleanser 150ml — ৳810 (≈ ৳5.4/ml, cheapest per ml in this guide)
• Best value treatment size: COSRX The 6 Peptide Skin Booster Serum 150ml — ৳1150 (≈ ৳7.7/ml)

Shop this guide

• [COSRX Low pH Good Morning Gel Cleanser 150ml](/products/cosrx-low-ph-good-morning-gel-cleanser-150ml) — ৳810. The wash step in this set, a 150ml gel cleanser.
• [COSRX AHA/BHA Clarifying Treatment Toner 150ml](/products/cosrx-aha-bha-clarifying-treatment-toner-150ml) — ৳1065. A 150ml treatment toner naming both AHA and BHA.
• [COSRX Advanced Snail 96 Mucin Power Essence 100ml](/products/cosrx-advanced-snail-96-mucin-power-essence-100ml) — ৳1265. The brand's best-known essence, a 100ml bottle built around snail mucin.
• [COSRX BHA Blackhead Power Liquid 100ml](/products/cosrx-bha-blackhead-power-liquid-100ml) — ৳1350. A 100ml liquid whose name points at blackheads, the highest sticker here.
• [COSRX The 6 Peptide Skin Booster Serum 150ml](/products/the-6-peptide-skin-booster-serum-150ml) — ৳1150. An unusually generous 150ml booster serum naming six peptides.
• [Cosrx The Retinol 0.5 Oil 20ml](/products/cosrx-the-retinol-05-oil-20ml) — ৳1020. A small 20ml retinol oil, the evening treatment in this group.
• [COSRX Hyaluronic Acid Intensive Cream 100g](/products/cosrx-hyaluronic-acid-intensive-cream-100g) — ৳1020. A 100g moisturising cream naming hyaluronic acid.
• [COSRX Aloe Soothing Sun Cream SPF50+ PA+++ 50ml](/products/cosrx-aloe-soothing-sun-cream-spf50-pa-50ml) — ৳1065. A 50ml daytime sun cream naming aloe.

Start with how your skin/hair feels

Begin with the feeling you notice most often, not with the product you have seen most often online. COSRX names describe an ingredient or a target, so matching the title to your own skin is the fastest honest filter.

If washing leaves your face feeling tight or squeaky, the cleanser deserves scrutiny first. The starting point here is the COSRX Low pH Good Morning Gel Cleanser 150ml, because every later step sits on top of how you wash. If pores across the nose and chin are your main frustration, with blackheads that return quickly, the matching title is the COSRX BHA Blackhead Power Liquid 100ml. It is a focused product rather than an everyday all-over step, suiting someone who can point to one specific concern.

If your skin feels dehydrated underneath everything else, tight after washing yet shiny by midday, the layering products become relevant. The COSRX Advanced Snail 96 Mucin Power Essence 100ml sits in that middle layer, while the COSRX Hyaluronic Acid Intensive Cream 100g is the sealing step at the end. Dullness without a single sharp concern points instead towards the COSRX AHA/BHA Clarifying Treatment Toner 150ml or the booster serum, depending on which step your routine is missing.

If you are thinking about retinol for the first time, treat it as its own decision, not an add-on. The Cosrx The Retinol 0.5 Oil 20ml is small and concentrated by design, and belongs in an evening routine that already handles cleansing and moisturising.

Match it to your routine

A workable COSRX routine uses only some of these eight, in a fixed order. Mornings stay short: wash with the COSRX Low pH Good Morning Gel Cleanser 150ml, follow with the toner or essence if you use one, add the COSRX Hyaluronic Acid Intensive Cream 100g where needed, and finish with the COSRX Aloe Soothing Sun Cream SPF50+ PA+++ 50ml. Sun protection is always the last morning step.

Evenings allow the treatment products their space. After cleansing, the COSRX The 6 Peptide Skin Booster Serum 150ml goes on early as a booster, the essence follows, and stronger liquids are best kept to separate nights. If retinol is new to you, our guide on how to choose your first retinol in Bangladesh walks through starting slowly. Similarly, how to choose a toner in Bangladesh helps you judge whether a treatment toner earns a place or duplicates something you already own.

Spot care raises a different format question. Our comparison of face mask vs spot patch in Bangladesh explains when a patch makes sense next to a liquid routine; if you meet the COSRX patch there, note its canonical listing here is ৳245, and a duplicate listing has caused price confusion, which is why the batch checks below matter.

Bangladesh climate note: Humidity changes how layering feels for much of the year in Bangladesh. An essence plus a rich cream that feels comfortable in January can feel like too much by April, so many people thin morning layers down, keep sun cream non-negotiable, and save heavier layering for the evening.

Shopping across Korean brands? The companion guide to Beauty of Joseon in Bangladesh covers the other name readers compare with COSRX, and reading both helps you avoid buying two essences for one slot.

The honest differences most shops won't tell you

The strangest thing about this catalogue is that smaller can cost more. Elsewhere, the AHA/BHA toner also appears in a 50ml size at ৳1320, more money than the full 150ml bottle here at ৳1065. The cleanser repeats the pattern: a 50ml version is listed at ৳1020, above the ৳810 charged for the 150ml here. A salicylic acid cleanser in the wider range costs ৳1320 in both its 50ml and 150ml sizes. None of those smaller listings is used here, but do not assume a travel size is a cheaper way to try the brand, because here it plainly is not.

A second point concerns two famous products absent from the shop list. Both were left out because each has two live listings at different prices, so quoting one figure would mislead you. One is the snail cream companion to the essence above, listed at two prices for the same 100g size, with a 50g listing also present. Until those duplicates are reconciled, this guide sticks to products with one clear price.

Third, similar names hide different jobs. The toner, booster serum, essence and BHA liquid are all watery products in similar bottles, yet they are not interchangeable: one tones, one boosts, one layers as an essence and one is a targeted treatment. Buying two expecting double the effect usually duplicates a step.

Fourth, the booster serum's size breaks the usual serum pattern. At 150ml for ৳1150 it holds five times the volume of a typical small treatment bottle, which is why its per-millilitre cost lands so low below. The retinol oil is the opposite extreme: 20ml is deliberately small, so its figure looks alarming even though it is used in drops on limited nights.

Finally, catalogue housekeeping is imperfect. Spellings vary across titles in the wider range, including one cleansing water whose title spells micellar as "Miceller". That is the catalogue's own wording, not a sign of a fake, but it is another reason to match the exact title on delivery.

Practical steps for choosing

1. Fix your wash first. If cleansing feels wrong, start with the COSRX Low pH Good Morning Gel Cleanser 150ml and change nothing else for a fortnight.
2. Write down one main concern. Blackheads, dehydration, dullness or a first retinol each point to a different bottle; five concerns point to none clearly.
3. Choose one treatment liquid only. The BHA liquid, treatment toner and retinol oil should not all arrive in the same order for a beginner.
4. Check the full size before the mini. Given the inversions above, compare any small size against the 150ml prices here before assuming it saves money.
5. Keep mornings simple and protected. Whatever you layer underneath, finish with the COSRX Aloe Soothing Sun Cream SPF50+ PA+++ 50ml.
6. Introduce retinol on its own. Give the Cosrx The Retinol 0.5 Oil 20ml a clear run of evenings without other new actives alongside.
7. Save the product page for delivery day. You will need the exact title, size and price for the batch comparison below.

Compare prices and sizes (৳/ml where relevant)

Stickers here bunch closely, between ৳810 and ৳1350, while sizes run from 20ml to 150ml. The right-hand column is the only fair comparison.

Prices verified: 12 November 2026.

Read the table alongside the inversion warning above. The cleanser is cheapest at ≈ ৳5.4/ml, followed by the toner at ≈ ৳7.1/ml and the booster serum at ≈ ৳7.7/ml, remarkable for a serum format. The cream is weighed, at ≈ ৳10.2/g. At the top end, the sun cream is ≈ ৳21.3/ml and the retinol oil ≈ ৳51.0/ml; both are used in small amounts, so judge them by how long the bottle lasts.

One safeguard: Skinoly runs a 7-day price-match arrangement, so if the identical item in the same size appears cheaper within a week, you can raise it under the site's terms. Keep your invoice until that week is over.

Check the batch before you pay (Skinoly authenticity ledger)

Korean skincare is copied heavily in this market, and COSRX's plain packaging is easier to imitate than most. That makes the paperwork, not the bottle design, your real protection.

Skinoly keeps a public authenticity ledger recording the batch code and expiry for the stock it holds. Note the entry before ordering, then compare it with the code on the bottle that arrives. Agreement between the two, checked before you pay, is the strongest quick evidence of genuine stock.

How to spot a fake K-beauty product — a quick checklist:

• Korean labelling and importer sticker: genuine stock carries neat Korean and English labelling with a legible importer sticker where applicable; blurred hangul or a missing sticker needs questioning.
• Batch code embossing and print: authentic codes are printed or embossed cleanly in one consistent place; smudged ink, a code that rubs off, or a loose paper label over the original print is a warning.
• Seal and cap fit: tubes and bottles should arrive sealed with caps that close flush; a loose cap, broken seal or signs of prior opening justify refusal.
• Texture and scent on first use: the snail essence should feel like a smooth, stretchy essence rather than watery liquid, and anything smelling harshly chemical unlike its usual mild character deserves caution.
• Price far below the verified range: a seller offering these products far below the prices above, especially the essence or BHA liquid, is shifting the risk onto you.

Not sure? Try the free AI Skin Scanner / Routine Builder

If your shortlist still holds three watery bottles and you cannot tell which step you need, Skinoly's free AI Skin Scanner can help rank your concerns, and the Routine Builder can place each step in a workable order. Treat the output as a shortlist, then recheck the price table.