11 Skincare Ingredients to Avoid in Indian Weather

2. Isopropyl myristate and similar esters

Isopropyl myristate and related esters are common emollients in budget lotions and creams. They make formulas feel silky and absorb quickly in cool, dry climates. But in hot, humid conditions, they tend to sit on the skin surface and can block pores, especially for people with combination or oily skin. Dermatology resources and comedogenicity lists flag these esters as higher-risk ingredients for acne and congestion. When sweat production increases, these greasy-feeling esters mix with sweat and environmental grime, which raises the chance of whiteheads and blackheads. If you’re packing skincare for a trip to a humid region, read labels and avoid products listing isopropyl myristate, isopropyl palmitate, or similar heavy esters near the top of the ingredient list. Better options include lightweight emollients like caprylic/capric triglyceride or squalane, which provide slip without heavy pore-clogging. These alternatives help maintain hydration on humid days without the greasy buildup that can lead to breakouts. [Study: skin-friendly emollients].