There’s a science behind sexy red lips. From the colour to the pout, there is power in a strong pucker. Research suggests that a woman’s lips are the first feature that a man notices, and the pigmentation of her lips determines how long they will keep his attention. Compared to other shades, red lips were deemed the most attractive. Now, we don’t believe that your lipstick choices should centre on gaining attention, but it’s an interesting fact to have in your beauty arsenal.As award season kicks off, we’ll be seeing more than a few red lips. And, if you’re wondering how beauty experts select which shade looks best on their A-list client, we’ve got an answer for you.After partnering with makeup brand The Glamatory on her new lip kit Lip Art, reality television star Angela Simmons weighed in on her love for a colourful pout. “Day-to-day, whether I’m going to an event or hanging out, I’ll put on a lip colour before anything else,” said the new mom. “My everyday makeup includes blush, mascara, maybe a little bronzer and lipstick. I love the pop of colour.”Celebrity makeup artist Mimi J, responsible for Angela’s pigmented pout, broke down how to buy red lipstick to enhance your skin complexion. You should buy the shade that makes you feel beautiful and confident. With that said, you’re bound to fall in love with these lip colours.Fair/light skin – a berry red lipstick will warm pink undertones.The perfect red – the Glamatory Lip Potion Sugarberry.Tan Skin with cool undertones – an orange-based red will brighten your face, offering a nice glow. The perfect red – Angela Simmons Lip Art Liquid Lipstick “On Point Settia”.Tan with warm undertones – a brown-based red with a small hint of purple adds to warmth to the face.The perfect red – Kat Von D Everlasting Liquid Lipstick “Vampira”.Brown with warm undertones – deep shade of red, the colour of merlot, deepens warm undertones for a very nice wintry glow.The perfect red – Laura Mercier Crème Smooth Lip Colour in “Merlot”.Dark brown with red undertones – a blue-based red looks great on deep or dark brown skin tones. Anyone who wears a blue-based red will also find that it makes your teeth appear whiter.The perfect red – MAC Cosmetics Lipstick “Ruby-woo”.Cheers to being confident and sexy!