When choosing a gloss, he recommends looking for a formula that hydrates and boosts vibrancy, leaving hair looking healthier, softer, and more radiant in mere minutes. And these days, plenty of formulas go beyond simply making hair look good, with ingredients that help improve the condition of the hair itself, too. Not to mention, many of the glosses work in under five minutes, right from the safety of your bathroom, making them one of the easiest ways to refresh your hair between salon appointments.