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What skin changes occur with aging?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I would like to know how our skin changes through the decades. How does our skin change in our 20s, 30s, 40s, and beyond? I am also looking for tips on how to care for our skin. What products should be used for certain skin concerns? When should we start acid-toning? What about retinol products?

Please advise.

Answered by Dr. Rabia Anjum

Hello,

Welcome to icliniq.com.

I understand your concern.

Our skin undergoes the aging process continuously. There are two types of aging in an individual: intrinsic aging, which is inherited (determined by our genes), and extrinsic aging, which is caused by environmental factors, most notably sunlight. With aging, the following changes occur over the decades:

  1. Collagen in the skin decreases, leading to wrinkles. The breakdown of collagen is accelerated by sun exposure due to the formation of reactive oxygen species.
  2. The skin's natural moisturizing factors and hydration levels decrease, making the skin drier and more scaly.
  3. Hair follicles and sebaceous glands in the skin gradually decline, resulting in fewer body hairs.
  4. Elastic tissue in the skin reduces, leading to crow’s feet, fine lines, and sagging skin.
  5. Sun exposure and extrinsic aging stimulate melanin production, leading to the formation of freckles and lentigines in exposed areas.

Protection from sunlight is essential. A broad-spectrum sunscreen with SPF (sun protection factor) 60 should be used. Vitamin C cream can help maintain skin health. Staying hydrated by drinking plenty of water is crucial. Consuming fresh fruits and vegetables rich in antioxidants is also highly beneficial. Acid toning can be introduced around the age of 30, as the skin starts requiring rejuvenation. Topical retinoids play a key role in skin renewal, they reduce wrinkles, stimulate collagen synthesis, enhance skin glow, and minimize fine lines.

Kind regards.

Answered byDr. Rabia Anjum

Medically reviewed byDr. Vinodhini J.

Published At January 4, 2020
Reviewed AtOctober 31, 2025

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