SKIN MISTAKES IN YOUR 20s Don't put off applying that sunscreen.It not only prevents your skin from getting tanned, but will also prevent those wrinkles and fine lines, which you think you're too young for. Make it a habit to reapply it every two to three hours for maximum protection. SKIN MISTAKES IN YOUR 30s Not sticking to a skincare regime in your 30s will cost you dearly in your 40s. Gone are the days when you could get away with not cleansing, toning and moisturing daily . As your skin ages, you need to give more attention to it. So, make sure that you not only use products that are age-appropriate, but also follow a skin care routine religiously . Your skin will thank you for it later. Don't make the mistake of sleeping with your makeup on. This cardinal beauty sin can wreak havoc on your skin by clogging pores and causing pimples. So, no matter how tired you are, always remove your makeup before you go to bed. SKIN MISTAKES IN YOUR 40s You will notice that your skin gets extremely dry in your 40s, hence, it is essential that you keep it well hydrated. The dryness can be attributed to hormonal changes as your body nears menopause. Hence, use a milk cleanser and moisturiser that deeply nourishes your skin. During your 40s, many women get stressed about wrinkles, fine lines and spots and opt for different skin products, not realising that that could end up causing more problems. When you use too many beauty products, your skin may revolt and cause inflammation or redness. Stick to certain products that suit your skin.