The best serum for dark spots in Bangladesh: five in-stock picks from Tk940 for sun spots, melasma and uneven tone, plus what whitening serums can and cannot do.

The best serum for open pores in Bangladesh: five in-stock picks from Tk850, sorted by whether your pores come from oil, clogging or loose skin, plus the wash, mask and sunscreen to pair.

The best moisturizer for oily skin in Bangladesh: five oil-free gels from Tk690, compared for acne-prone, dehydrated and sensitive oily skin, with what to switch to in winter.

The best serum for acne spots and marks in Bangladesh: five in-stock picks from Tk620, sorted by whether they treat the live pimple, the red mark or the brown mark it leaves behind.

The best night cream for oily skin in Bangladesh: four oil-free gel, salicylic and retinol picks from Tk459, matched to acne-prone, combination and sensitive skin, with how to use retinol safely.

The best face wash for oily, acne-prone skin in Bangladesh: ten in-stock washes compared by active ingredient and price per millilitre, from Tk390, with salicylic acid vs benzoyl peroxide explained.

Ten face serums in stock at Orpa compared by active ingredient, from Tk130 to Tk2,340, with what to layer, what not to, and why stronger is not better.

Ten moisturizers in stock at Orpa compared by skin type, from Tk405 to Tk4,990, with the per-millilitre maths that decides what is actually good value.