Let me elaborate further with the following diagram showing why pH balance is the most important thing for having clear, healthy & balanced skin:
If your skin is in an alkaline state, you may notice:
Dryness, Sensitivity, Redness, Inflammation, Sun Damage and Cracked, Itchy or Flaky Skin. The skin's ability to retain its own moisture is further hindered, leading to "dry skin" problems.
If your skin is too acidic, you may notice:
Acne (adult, cystic, hormonal, rosacea, etc.), Oily Skin (clogged pores, blackheads, whiteheads, etc.), Redness and Inflammation. Your skin will be producing excess oil that will clog pores, leading to the various forms of acne, inflammation and sensitivity.
Now that you understand how your skin works, your goal is to focus on achieving pH balance for your skin because...