Expert Q&A

Has anyone with loose skin tried water fasting for long periods of time? and hie did it effect the loose skin when you have PCOS or hormonal imbalances on a low-carb or ketogenic diet?

Understanding Loose Skin in PCOS and Hormonal Imbalances

When women aged 45-54 with PCOS lose significant weight on a low-carb or ketogenic diet, loose skin often appears around the abdomen, arms, and thighs. Hormonal shifts from insulin resistance and elevated androgens slow collagen production, while years of inflammation reduce skin elasticity. In my clinic, patients following the lectin-free protocol in The 30-Week Tirzepatide Reset see this pattern repeatedly. The key is addressing root causes like toxin burden and nutrient gaps rather than hoping one intervention fixes everything.

Water Fasting Experiences with Loose Skin

Long water fasts of 5-21 days can accelerate fat loss but rarely improve loose skin on their own, especially with PCOS. Many report the skin appears more pronounced initially as rapid fat loss outpaces collagen repair. In our 30-week protocol, we avoid extended water fasting because it risks muscle loss and further hormonal disruption. Instead, we use chaotic intermittent fasting only in maintenance after the body has rebuilt metabolic flexibility. Patients who tried prolonged water fasting before our program often saw temporary tightening from autophagy but regained looseness once refeeding began, particularly if insulin and cortisol remained unbalanced.

Integrating Low-Carb, Keto, and Targeted Support

A well-formulated ketogenic diet with 221 lectin-free recipes helps stabilize blood sugar and reduce inflammation that worsens skin sagging. Combine this with low-dose tirzepatide cycling from The 30-Week Tirzepatide Reset to preserve muscle while losing 30-90 pounds. Add our Brown Detox Drops to clear toxins that impair collagen, plus red light therapy sessions 3-5 times weekly to stimulate fibroblasts. Japanese-style walking intervals build lower-body tone without joint stress. For hormonal imbalances, track body composition weekly instead of scale weight. This integrated system typically improves skin appearance within 12-18 weeks by supporting natural elastin production.

Practical Steps and Realistic Expectations

Start with 70-day cycles focusing on real foods, detox, and smart medication use rather than extreme fasting. Supplement collagen peptides (10-15g daily) and vitamin C to aid repair. Strength training twice weekly using bodyweight or resistance bands targets areas of concern. Most patients notice firmer skin by week 20 without surgery. Remember, true metabolic freedom comes from removing grains, lectins, and ultra-processed carbs while giving consistent healing signals. Those with diabetes or blood pressure issues see labs improve alongside visible changes. The protocol prevents common mistakes like medication dependency or ignoring non-scale victories, creating lifelong habits that maintain results even after cycling ends.

💬 What the Community Says

Forum users with PCOS frequently share mixed results from water fasting and loose skin. Many on low-carb or keto diets report that extended fasts (7+ days) caused noticeable fat loss but left abdominal and arm skin looser initially, with some seeing modest tightening after 2-3 weeks due to reduced inflammation. A vocal minority experienced worsened hormonal symptoms like irregular cycles or fatigue, leading them to abandon long fasts. Most practitioners in midlife groups recommend shorter intermittent fasting windows instead, paired with strength training and collagen supplements. Those who combined keto with red light therapy or lymphatic massage often described better skin texture over 3-6 months. Debates continue on whether fasting helps or harms elasticity in hormonal imbalance cases, but lived experiences highlight the value of gradual approaches and medical supervision to avoid metabolic setbacks. Insurance barriers and joint pain limit gym options for many, pushing preference for walking-based routines.
Cite this answer
Clark, R. (2026). Has anyone with loose skin tried water fasting for long periods of time? and hie. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/has-anyone-with-loose-skin-tried-water-fasting-for-long-periods-of-time-and-hie-did-it-effect-the-loose-skin-when-you-have-pcos-or-hormonal-imbalances-on-a-low-carb-or-ketogenic-diet
Russell Clark, FNP-C, APRN, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

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