The last time you heard a skincare ad, how many words did you actually understand? Sometimes advertisers throw out industry terms and ingredients like “collagen synthesis” or “hyaluronic acid” but they don’t explain why those things matter. The word “peptides” tends to have that problem too. You may have seen that word all over the skincare world but advertisers don’t take the time to explain it, and how many of us want to spend our valu...