EmerginC — the decade-old line of high-grade,vitamin-packed cosmeceuticals — has cleaned up its act. The bevy of cleansers, toners, masks, and cult favorite Vitamin C serum is now more earth-friendly than ever — inside and out. The potent, free-radical-neutralizing products are free of parabens and lower in petrochemicals, plus they come packaged in earth-friendly paper printed with vegetable-based ink; so you can blast blemishes while saving literal and proverbial face. EmerginC products are available at La Dolce Vita Salon & Day Spa (569 Boylston Street, Boston, 617.266.0141) and Equilibrium Fitness and Spa (50 Congress Street, Boston, 617.228.5129).