Lack of Consistency
Some products and regimens take weeks to work and the waiting game sucks. You may have to do it though. So using/doing it here or there when it says do it several times a week isn’t going to help you in the long run. On the flipside, don’t let this be a license to go extra hard. The key is being consistent, not overdoing it.
If you know what works for you, then this probably isn’t a problem. Wrong products become problems because instead of fixing something it exacerbates or it creates a new one. It’s having a dry skin and reaching for something so rich that your skin can’t handle it. It’s having oily skin and using something that you think will control it only to have it cause your face to overproduce oil. So keep this in mind if you’re still in trial and error mode with your skin.
Product Order Mistakes
Applying products from thinnest to thickest is usually* best because thin products like serums tend to pack the most punch when it comes to ingredients that can improve your skin. Slapping whatever on your face all willy nilly could be setting you up for the downfall because you’re not getting what you want out of each product.
Ignoring How Products Work Together
Many products work together. For example if you’re dealing with dark spots and using a product to lighten them then you need sunscreen to keep the spots you have from getting darker and to keep your skin from creating new ones. Following a serum with a moisturizer seals it in. Many products go together so make sure you’re layering/pairing the right ones together.
Finally, there’s stress. It can cause fine lines, acne flare-ups, and puffy eyes from lack of sleep. It’s going to be hard for something topical to put up a fight when your body is staging a revolt on the inside and it’s showing up on your face.
This isn’t the final say on what can hinder skincare products from working. What are some others you can think of?