A few of the most common reasons for skin to look and feel dull are - Dehydration: When the skin lacks enough moisture, it loses its softness and elasticity, making it appear dry, flaky, and dull
Some people notice changes within 12 weeks (like better sleep or energy), while others may take 48 weeks to see results in areas like fat loss, muscle tone, or skin health
physical characteristics depend on formulation Storage: Store according to supplier specifications
However, tretinoin can also cause peeling, redness, dryness, and temporary purging, especially when first starting treatment or using higher strengths
*Hyper-Pigmentation*: Glutathione helps to reduce the appearance of dark spots, acne scars, and hyperpigmentation
If someone has encountered something more concrete on this process, I'm happy to update my knowledge