Check the labels and compare the hair serums to find one that fits your hair needs. There are different types of hair serum you can use depending on your hair type and preference. If you have thin hair, you may want to try a thickening serum. Or if you have fine hair, there are also lightweight serums for people whose hair does not require as much moisture. If you style your hair often, there are hair serums that also protect against damage due to heat.  There are also specifically designed serums to enhance the curls in curly and wavy hair, those that add high gloss, and on the other side, there are hair serums used to create a more natural looking hairstyles. You can find a range of hair serums at any department store or pharmacy.

How would you rephrase that briefly using Vietnamese?
Cân nhắc các lựa chọn trước khi mua serum dưỡng tóc.