Expert Q&A

78kg to 58kg for an 18 y/o: How likely am I to have loose skin after weight loss specifically for women over 40: best practices and common mistakes to avoid?

Understanding Loose Skin Risk in Women Over 40

As women pass 40, collagen production drops roughly 1% per year, and elastin fibers weaken, making loose skin more likely after significant weight loss. Dropping from 78kg to 58kg represents about 20kg or 44 pounds. For those in their 40s and beyond, the risk of noticeable loose skin on the abdomen, arms, thighs, and breasts sits around 60-75% if the loss occurs faster than 0.5-1kg per week or without supporting tissue health. In The 30-Week Tirzepatide Reset, I emphasize that rapid loss without rebuilding metabolic freedom often worsens sagging because it ignores inflammation and hormonal shifts common in perimenopause and menopause.

Factors That Influence Your Odds

Your individual risk depends on genetics, how long you carried the extra weight, sun exposure history, smoking, and yo-yo dieting. Women over 40 who have carried 20kg+ for more than five years face higher odds due to stretched dermal layers. Hormonal changes reduce estrogen, which normally supports collagen. The good news: our protocol addresses this directly. By cycling low-dose tirzepatide across three 70-day cycles, pairing it with a lectin-free low-carb diet from our 221 recipes, and using targeted support like Detox Drops and red light therapy, many patients see 30-50% better skin retraction than those using medication alone.

Best Practices to Minimize Loose Skin

1. Lose gradually: Target 0.5-1kg weekly using smart tirzepatide cycling instead of high doses that accelerate loss. 2. Build muscle: Incorporate Japanese-style walking intervals and resistance bands 4-5 days weekly to fill out skin with lean mass. 3. Support collagen: Our lectin-free protocol removes inflammatory grains and nightshades that drive joint pain and poor skin repair. Add 2.5-3g daily collagen peptides, vitamin C, and our Pink Drops for fat-loss support. 4. Use red light therapy 3-5 sessions weekly via the Unlimited Red Bed Club to stimulate fibroblasts. 5. Stay hydrated at 3-4 liters daily and track body composition, not just scale weight. The 69 Transformation Steps in my book give you the exact daily roadmap so you avoid overwhelm.

Common Mistakes and How to Avoid Them

The top mistake is relying solely on tirzepatide without rebuilding metabolic health, leading to faster regain and worsened skin laxity. Many chase quick fixes, ignore non-scale victories like improved energy and joint comfort, and quit when the scale stalls. Another error is poor protein intake (aim for 1.6-2g per kg of goal weight) or skipping resistance work because "exercise feels impossible" with joint pain. In our Nashville clinic and CFP Fit Now telehealth, patients who follow the full system—real foods, detox, low-dose cycling—rarely need surgery. One patient, a 52-year-old with similar starting stats, lost 21kg over 30 weeks, dropped her A1C, and saw dramatic skin improvement through consistent red light and the protocol's chaotic intermittent fasting in maintenance. Sustainable results come from metabolic reset, not dependency. You can achieve this 78kg to 58kg transformation while keeping skin as tight as possible.

💬 What the Community Says

Women over 40 in weight-loss forums frequently discuss loose skin fears when targeting 15-25kg losses like 78kg to 58kg. Many report mild to moderate sagging on the stomach and upper arms despite slow pacing, especially those with prior pregnancies or decades of yo-yo dieting. A vocal group praises collagen supplements, strength training, and red light therapy for visible improvements, while others share disappointment that skin didn't fully rebound even after 18 months of maintenance. Debates often center on medication speed versus lifestyle integration, with some crediting gradual GLP-1 cycling and anti-inflammatory diets for better elasticity than rapid drops. Newcomers feel overwhelmed by conflicting advice on surgery versus natural tightening, but long-term maintainers emphasize celebrating non-scale wins like better-fitting clothes and reduced joint pain over perfect skin. Most agree results vary widely by genetics and consistency, and many seek protocols that address hormones and inflammation simultaneously.
Cite this answer
Clark, R. (2026). 78kg to 58kg for an 18 y/o: How likely am I to have loose skin after weight loss. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/78kg-to-58kg-for-an-18-y-o-how-likely-am-i-to-have-loose-skin-after-weight-loss-specifically-for-women-over-40-best-practices-and-common-mistakes-to-avoid
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.

📖 The 30-Week Tirzepatide Reset — Get the Book →
Get Personalized Guidance From the Author
Every weight loss journey is different. Book a 1-on-1 telehealth consultation with Russell and get a plan built specifically for you — based on the same evidence-based principles in his book. Available to patients in all 50 states.
Book Your Consultation →
Have a follow-up question?
More Questions 200 answered
▸ Who still goes to steeplechase — what do certified weight loss coaches recommend for long-term maintenance (not just short-term)? ▸ How are people using 10mg reta vials at low doses during the weight loss plateau phase — what the research actually says? ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances if you're on a GLP-1 like semaglutide or tirzepatide? 📖 One Box Protocol — A revolutionary approach where we stretch one 60 mg box of tirzepatide across three metabolic phases, prioritizing long-… ▸ 78kg to 58kg for an 18 y/o: How likely am I to have loose skin after weight loss specifically for women over 40 — what certified coaches recommend? ▸ Making me super tired and in a dreamy, chill, ready for a nap state for most of the day and its effect on metabolism and insulin levels for long-term maintenance (not just short-term)? ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress for those with hypothyroidism or Hashimoto’s? ▸ Will eating meintenance calories make me lose weight for those with hypothyroidism or Hashimoto's when you have PCOS or hormonal imbalances? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say specifically for women over 40? ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say on a low-carb or ketogenic diet? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Im eating so well that I accidently put my body in ketosis and how it connects to gut health and inflammation and its effect on metabolism and insulin levels? 📖 Metabolic Efficiency — The state where your body processes fuel cleanly and maintains high energy levels without the need for constant snacking… ▸ Does the fear of gaining ever go away for those with hypothyroidism or Hashimoto's and its effect on metabolism and insulin levels? ▸ How much protein should I eat if I weigh 280 pounds and want to cut a 100 pounds of fat off of my body? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting on a low-carb or ketogenic diet? ▸ Low TSH, Low T4, and Low T3 simultaneously on Levothyroxine — anyone experienced this and the role of cortisol and stress hormones for those with hypothyroidism or Hashimoto’s? ▸ Traveling with IBS-D to a 5-day conference in San Diego: how do you manage food — what most people get wrong about this during the weight loss plateau phase? ▸ How much keto-ade should I safely drink: best practices and common mistakes to avoid and how it connects to gut health and inflammation? 📖 Leptin Sensitivity — Restoring your brain's ability to hear the 'I am full' signal, which is often muted by high-sugar diets and systemic inf… ▸ 225lbs 5’10, is it possible for me to lose weight starting at 2200 calories a day when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ Those of you with Reta experience how does this protocol look for people with insulin resistance when you have PCOS or hormonal imbalances? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Should I be worried yet, been sitting for 5 days no movement while doing intermittent fasting: best practices and common mistakes to avoid? ▸ Is it okay for teenagers to do longterm lowcarb/keto — evidence-based answer for CFP patients for those with hypothyroidism or Hashimoto’s? ▸ Best Curcumin Supplements: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Tips for maintenance: what’s yours for long-term maintenance (not just short-term) on a low-carb or ketogenic diet? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet — what certified coaches recommend? 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … ▸ Do you think they read the responses they receive: how to talk to your doctor about this while doing intermittent fasting? ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances when you have PCOS or hormonal imbalances? ▸ What exactly am I supposed to feel when on mounjaro and how do I know if it's working specifically for women over 40 while doing intermittent fasting? 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients specifically for women over 40? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? ▸ Is lime water (but sipped throughout the day) ok with autophagy — how a functional medicine approach differs for people with insulin resistance? ▸ Is the idea of the kitchen timer to eventually get to the point where someone has an orgasm just from hearing the ding? Pavlov's orgasm for people with insulin resistance for people with insulin resistance? ▸ What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month — how a functional medicine approach differs while doing intermittent fasting? ▸ Anyone remember the metal lid you had to use a butter knife to pop off: what to track and how to measure progress while doing intermittent fasting? 📖 Phase 2: Aggressive Loss — A 40-day window of focused fat loss supported by low-dose medication and a specific lectin-free, low-carb nutritional fr… ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Does mental health predict diabetes as much as BMI? Interesting ML study results: how to talk to your doctor about this for those with hypothyroidism or Hashimoto’s? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ How many were first diagnosed with OCD if you're on a GLP-1 like semaglutide or tirzepatide on a low-carb or ketogenic diet? 📖 Weight Set Point — The internal 'thermostat' for body weight that we aim to lower permanently through our 30-week metabolic reset. ▸ LDN is changing my life, will this last: best practices and common mistakes to avoid: what to track and how to measure progress? ▸ Low TSH, Low T4, and Low T3 simultaneously on Levothyroxine — anyone experienced this and the role of cortisol and stress hormones — what certified coaches recommend? ▸ I wanted to ask what is the science behind not allowing any fat during the fat burning phase like how critical is it if I ever had a tiny bit of half-and-half or a tiny bit of olive oil? Is it really do something to the body. ▸ Have you seen this? Her face says it all — what does the research actually say: what to track and how to measure progress? 📖 GIP (Gastric Inhibitory Polypeptide) — A hormone that, when combined with GLP-1, enhances the body’s ability to break down fat and manage blood sugar levels mo… ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress and how it connects to gut health and inflammation? ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better specifically for women over 40? ▸ What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month — how a functional medicine approach differs — what the research actually says? 📖 High-Dose Dependency — The pharmaceutical trap of staying on maximum medication doses indefinitely, which we avoid through our smart cycling me… ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Are people who get no effect just using bad product for people with insulin resistance when you have PCOS or hormonal imbalances? ▸ Difference between a 3 day and 5 day water fast for autophagy and the role of cortisol and stress hormones for people with insulin resistance? 📖 Amylopectin A — The specific starch found in modern wheat that causes rapid, dangerous spikes in blood glucose and promotes belly fat st… ▸ Diabetics with TPN (IV nutrition experience) and the role of cortisol and stress hormones on a low-carb or ketogenic diet? ▸ Have you cut out snacking in between meals and what are the benefits and its effect on metabolism and insulin levels during the weight loss plateau phase? ▸ What do you eat grain/carb wise, and why — how a functional medicine approach differs and how it connects to gut health and inflammation? ▸ Got diagnosed today, where do i go from here — what do certified weight loss coaches recommend: best practices and common mistakes to avoid? ▸ What is your immediate go to for some relief during ha — what most people get wrong about this — what certified coaches recommend?