Ipsy Glam Bag is one of the best monthly subscription boxes to gift makeup lovers because it offers a personalized selection of beauty products tailored to each individual's preferences. Each month, subscribers receive a cute makeup bag filled with five deluxe sample sized or full-sized products from popular makeup brands such as Tarte, MAC, and Benefit Cosmetics. The subscription service also includes access to Ipsy's online beauty community where subscribers can connect with other makeup enthusiasts, watch video tutorials, and receive tips from professional makeup artists. Additionally, the service is affordable with a cost of only $12 per month, making it a great value for the amount and quality of products received.