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Skincare ingredient glossary · উপাদান

Plain-language answers to “what does this ingredient do?” — with how to use it, what to pair it with and which products contain it.

Alpha arbutin

আলফা আরবুটিন

Alpha arbutin is a brightening ingredient that slows tyrosinase, the enzyme skin uses to make pigment. Used daily with sunscreen it gradually fades dark spots, post-acne marks and uneven tone. It is gentle, fits morning and night routines and is usually used at 1–2%.

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Azelaic acid

অ্যাজেলাইক অ্যাসিড

Azelaic acid is a gentle acid that reduces acne-causing bacteria, keeps pores clearer, calms redness and fades post-acne marks — several jobs in one. Over-the-counter products use about 10%; prescription gels go up to 15–20%.

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Centella asiatica

সেন্টেলা এশিয়াটিকা

Centella asiatica (cica) — the same plant as Bangladesh's থানকুনি পাতা — contains madecassoside and asiaticoside, which help soothe redness and support skin recovery. It is a gentle choice for sensitive, irritated or breakout-prone skin.

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Ceramides

সেরামাইড

Ceramides are lipids that make up about half of the skin barrier. Moisturisers with ceramides help repair a damaged barrier, reduce dryness and make skin less reactive — especially useful in winter and alongside retinol or acids.

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Glycolic acid (AHA)

গ্লাইকোলিক অ্যাসিড (AHA)

Glycolic acid is the smallest alpha hydroxy acid (AHA). It loosens dead skin cells on the surface, improving dullness, rough texture and uneven tone. Use it at night, two to three times a week, and wear sunscreen — AHAs increase sun sensitivity.

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Heartleaf (Houttuynia cordata)

হার্টলিফ

Heartleaf (Houttuynia cordata) extract is a Korean skincare favourite for calming redness, irritation and breakout-prone skin. It is gentle enough for daily use in toners.

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Hyaluronic acid

হায়ালুরোনিক অ্যাসিড

Hyaluronic acid is a humectant — it draws water into the top layers of skin so it looks plumper and smoother. It is not an exfoliating acid and suits every skin type. Apply it on damp skin and seal it with moisturiser.

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Niacinamide

নিয়াসিনামাইড

Niacinamide (vitamin B3) is a water-soluble vitamin that helps balance visible oil, refine the look of pores, calm redness and fade post-acne marks. It is gentle, works for almost every skin type and is effective from around 2–5%; 10% serums suit oily skin.

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Panthenol (Pro-vitamin B5)

প্যানথেনল (প্রো-ভিটামিন বি৫)

Panthenol (pro-vitamin B5) is a humectant and soothing agent: it attracts water, calms irritation and helps the skin barrier recover. It appears in gentle cleansers, toners and moisturisers for sensitive skin.

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Retinol

রেটিনল

Retinol is a form of vitamin A that speeds up skin cell turnover. Over months it improves texture, pores, dark spots, acne and fine lines. It can cause dryness and peeling at first, so start two nights a week, use it at night only and wear sunscreen every day.

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Salicylic acid (BHA)

স্যালিসাইলিক অ্যাসিড (BHA)

Salicylic acid is an oil-soluble beta hydroxy acid (BHA) that exfoliates inside the pore, which makes it the go-to ingredient for blackheads, whiteheads and oily, acne-prone skin. Leave-on products typically use 0.5–2%.

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Snail mucin

স্নেইল মিউসিন

Snail secretion filtrate is a lightweight hydrator rich in glycoproteins and hyaluronic acid. It helps skin look smoother and recover faster after breakouts and dryness, and layers easily under other products.

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Tea tree oil

টি ট্রি অয়েল

Tea tree oil is a plant oil with antimicrobial properties used in blemish care. In low concentrations inside cleansers and serums it can help with mild acne; neat (undiluted) oil can irritate and should not be applied straight to skin.

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Tranexamic acid

ট্রানেক্সামিক অ্যাসিড

Tranexamic acid (TXA) is a brightening ingredient that interrupts one of the signals telling skin to make extra pigment after sun and inflammation. In serums (2–5%) it helps fade post-acne marks and stubborn uneven tone, and it is gentle enough for daily use, including on sensitive skin.

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Vitamin C

ভিটামিন সি

Vitamin C is an antioxidant that brightens dull skin, helps fade dark spots and boosts protection against sun-related damage when worn under sunscreen. Pure ascorbic acid is strongest but least stable; derivatives are gentler and last longer.

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Zinc (PCA)

জিংক

Zinc PCA is a form of zinc used in skincare to help regulate visible oil and soothe blemish-prone skin. It is often paired with niacinamide in oil-control serums and cleansers.

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