My favorite lash serum and brow serum are 20% off for Black Friday! I’ve been using the Obagi serum for 4 months now & have noticed a huge difference! You can see the differences with my lashes & brows in this before & after. Obagi medical, lash serum, brow serum, gifts for her, gift guide, cyber week, gift guide for her, Black Friday LTKGiftGuide LTKbeauty LTKCyberWeek