12 items in this article 12 items on sale! Photo-Illustration: The Strategist; Photos: Retailers Good news if your tresses are feeling a bit worn out after a dry and staticky winter: R+Co is having a birthday sale, and everything (except liter-size products and limited-edition kits) is 30 percent off through April 14. That’s a much bigger discount than I see throughout the year, as the brand usually caps at 20 or sometimes 25 percent off. Even better news: This sale doesn’t officially launch