Most people know smoking harms the lungs and heart. Fewer realize how visibly it shows on the face. Studies of identical twins, where genes are the same, make the effect hard to argue with.
Written by Vita Globe Editorial Team | Reviewed against American Academy of Dermatology guidance, CDC guidance and peer-reviewed research
Does smoking really age your skin?
Yes. In a study of 79 pairs of identical twins, the twin who smoked had more sagging upper eyelids, under-eye bags, lip wrinkles and jowls[1]. Tobacco smoke reduces new collagen production in the skin and increases its breakdown[3][4]. Dermatologists describe the result as "smoker's face": dull, dry, less firm and wrinkled early[5].
Caveat: There is little research measuring how much skin itself recovers after quitting. What is clear is that quitting stops further damage and brings major health benefits that start quickly[7].
Sources: Okada 2013 (twins) · Knuutinen 2002 · AAD: 40s and 50s · Verified 2026-09-28
In this article
What do twin studies show about smoking and aging?
Identical twins share their genes, so comparing a twin who smokes with one who does not isolates the effect of smoking. In a study of 79 twin pairs (average age 48), researchers compared facial photos of each pair and scored signs of aging. The smoking twins had noticeably more aging in the lower two-thirds of the face: more sagging upper eyelids, bags under the eyes, deeper folds around the mouth, lip wrinkles and jowls[1].
Even when both twins smoked, a difference of five or more years in smoking history made a visible difference[1]. That fits with older research: a 1991 study found that cigarette smoking was a risk factor for premature facial wrinkling[2].
How does smoking damage collagen?
Smoking works on collagen from both directions:
- Less building. Skin samples from smokers showed reduced markers of new collagen production compared with non-smokers[3].
- More breakdown. Tobacco smoke raises enzymes that break down collagen and other support fibers in the skin, and it generates oxidative stress[4].
Put together, it is a steady, daily hit to the structure that keeps skin firm.
What does "smoker's face" look like?
The American Academy of Dermatology describes smoker's face as dullness, dryness, loss of firmness, premature wrinkles and a leathery texture[5]. Lines around the lips and eyes tend to be the most obvious, which matches what the twin study found[1].
Smoking also increases your vitamin C needs. The NIH recommends that people who smoke get an extra 35mg of vitamin C a day, because smoking increases oxidative stress[6]. Vitamin C is required to make collagen[6], so this is one more way smoking works against skin. Read more about how vitamin C and collagen are connected.
What improves when you quit?
The honest answer on skin is that there are few studies tracking how much wrinkling improves after someone quits. Lines already formed are unlikely to vanish. But quitting stops the ongoing collagen damage described above, and the twin research suggests every extra year of smoking adds visible aging[1].
The whole-body benefits are well documented. According to the CDC, heart rate drops within minutes of quitting, carbon monoxide levels return to normal within days, breathing symptoms improve within months, and heart attack risk drops sharply within one to two years[7].
If you want support, your doctor, pharmacist or a quitline can help you build a plan. Many people need several attempts, and that is normal.
How can you support your skin after quitting?
- Sunscreen every day. Sun damage and smoking damage stack together. See Does Sunscreen Really Prevent Wrinkles?
- Moisturize and cleanse gently to help with dryness and dullness[5].
- Eat vitamin C foods like peppers, oranges, kiwi and strawberries[6].
- Protect your sleep while your body adjusts. See how sleep affects your skin.
The honest summary
- Twin studies show smoking visibly ages the face, especially around the eyes and mouth[1].
- Smoking cuts new collagen production and speeds up breakdown[3][4].
- Smokers need more vitamin C than non-smokers[6].
- Quitting stops further damage and brings fast health benefits[7].
Our option
Vita Globe Radiant Skin Bundle
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Frequently asked questions
Does vaping age your skin too?
There is much less research on vaping and skin than on cigarettes, so no one can say for sure. Most of the skin research is on tobacco smoke[4]. For your overall health, quitting nicotine altogether is the best choice.
How long after quitting smoking does skin improve?
There is little skin-specific research on this. The CDC documents body-wide improvements within days to months[7], and you stop adding new damage right away.
Does smoking cause wrinkles around the lips?
Yes. Lip wrinkles were among the clearest differences between smoking and non-smoking twins[1].
Do smokers need more vitamin C?
Yes. The NIH recommends an extra 35mg a day for people who smoke[6].
Is secondhand smoke bad for skin?
Research on secondhand smoke and skin aging is limited, but tobacco smoke itself damages skin collagen[4], and secondhand smoke has well-known health risks.
Sources
- Okada HC, Alleyne B, Varghai K, Kinder K, Guyuron B. Facial changes caused by smoking: a comparison between smoking and nonsmoking identical twins. Plast Reconstr Surg. 2013;132(5):1085-1092. doi:10.1097/PRS.0b013e3182a4c20a
- Kadunce DP, Burr R, Gress R, Kanner R, Lyon JL, Zone JJ. Cigarette smoking: risk factor for premature facial wrinkling. Ann Intern Med. 1991;114(10):840-844. doi:10.7326/0003-4819-114-10-840
- Knuutinen A, Kokkonen N, Risteli J, Vahakangas K, Kallioinen M, Salo T, et al. Smoking affects collagen synthesis and extracellular matrix turnover in human skin. Br J Dermatol. 2002;146(4):588-594. doi:10.1046/j.1365-2133.2002.04694.x
- Morita A. Tobacco smoke causes premature skin aging. J Dermatol Sci. 2007;48(3):169-175. doi:10.1016/j.jdermsci.2007.06.015
- American Academy of Dermatology Association. Skin care in your 40s and 50s. www.aad.org/public/everyday-care/skin-care-basics/care/skin-care-in-your-40s-and-50s
- Office of Dietary Supplements, National Institutes of Health. Vitamin C: Fact Sheet for Health Professionals. Updated July 31, 2025. ods.od.nih.gov/factsheets/VitaminC-HealthProfessional
- Centers for Disease Control and Prevention. Benefits of Quitting Smoking. Updated November 16, 2023. www.cdc.gov/tobacco/about/benefits-of-quitting.html
About the Vita Globe Editorial Team
The Vita Globe Editorial Team researches and writes our wellness content, working from peer-reviewed research, systematic reviews and guidance from bodies such as the NIH and the FDA. We cite our sources inline and update articles when the evidence changes.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This article is for informational purposes only and is not a substitute for medical advice. Talk to your healthcare provider before starting any new supplement, particularly if you are pregnant, nursing, taking medication, or caring for a child.
