The Great Monsoon Myth
It’s a common belief: no sun, no sunscreen. But this is a dangerous myth. While clouds dramatically reduce visible light and heat, they are not a shield against harmful ultraviolet (UV) radiation. Studies show that up to 80% of the sun's UV rays can penetrate
through clouds, fog, and rain. This means that even on the darkest, most overcast day in Mumbai or Kolkata, your skin is still being exposed to UV damage. The cool, damp weather creates a false sense of security, leading to significant, cumulative damage over the entire season. Dermatologists consistently advise that sunscreen is a non-negotiable, year-round commitment, not just a summer habit.
UVA vs. UVB: The Invisible Threat
To understand why cloudy-day protection is crucial, it helps to know the enemy. The sun emits two main types of UV rays that harm our skin: UVA and UVB. UVB rays have a shorter wavelength, cause immediate damage like sunburns, and are partially blocked by clouds. UVA rays, however, have a longer wavelength and make up 95% of the UV radiation reaching us. They penetrate deeper into the skin, passing through both clouds and window glass with ease. While you won’t feel them, UVA rays are the primary culprits behind premature ageing, wrinkles, fine lines, and stubborn hyperpigmentation—a major concern for Indian skin. Both UVA and UVB rays contribute to the risk of skin cancer. A broad-spectrum sunscreen is your essential defense against both.
Choosing Your Monsoon Armour
The biggest complaint about sunscreen in India, especially during the monsoon, is the texture. The high humidity can make heavy creams feel sticky, greasy, and unbearable. The key is to choose the right formula. Look for sunscreens labelled 'gel-based,' 'aqua-gel,' 'water-based,' or 'fluid'. These lightweight formulations are designed for humid climates, absorbing quickly without clogging pores or leaving a thick, uncomfortable residue. Opt for products that are 'non-comedogenic' (won't clog pores) and, if you sweat a lot or get caught in the rain, 'water-resistant'. For Indian conditions, dermatologists recommend a broad-spectrum sunscreen with an SPF of 30 or higher and a PA rating of PA+++ or PA++++ for the best protection.
The Art of Application in High Humidity
How and when you apply sunscreen is just as important as the product you choose. Make it the final step of your morning skincare routine, after your moisturiser. A common mistake is not using enough; for the face and neck, the general rule is to apply a generous amount—often described as two to three finger-lengths. Don't forget often-missed spots like your ears, the back of your neck, and your feet if you're wearing open footwear. Rain and sweat can wash away sunscreen, so reapplication is key. If you’re outdoors for extended periods or get wet, plan to reapply every two to three hours. Spray sunscreens can be a convenient option for reapplication over makeup or on the go.
