How do you choose better hair-care products online?

I've noticed that buying personal-care products online can be surprisingly difficult because there are so many options and most brands make similar claims. I'm especially curious about how people decide what is actually worth trying rather than simply choosing whatever has the most reviews.For example, when looking for Healthy Hair Products, do you usually compare ingredients, look for products suited to your hair type, read customer experiences, or just stick with brands you've used before? I'd be interested to hear what factors other people consider before buying something new.