While the majority of the skin is made of collagen, applying it topically (or consuming it orally) does not necessarily lead to increased collagen in your skin. You'll get better results by using topical retinoids regularly.
You may be doing a good job at making them pale and it's just the contrast between your skin and the lips. It can be really hard to accurately identify...
Usually, lip balm just has a little bit more of a color to it and hydration properties. Chapstick typically is clear. Lip gloss is for color, but it doesn't have...
Eat a diet rich in antioxidants to combat free radicals that can damage your collagen. For instance, incorporate leafy greens, vegetables, berries, and beans into your diet.