How to Glow Up: The Complete 90-Day Guide

Everyone wants to know how to glow up, and most advice makes it sound like a makeover: new products, a new wardrobe, a new you by Friday. Real glow ups don’t work like that. They’re built from small things done every day for a few months (sleep, skin, movement, food and style) until the change adds up to something you, and other people, can see.

This guide explains what a glow up actually is, why ninety days is the right length, and gives you a realistic plan, phase by phase. It works whether you’re focused on your skin, your body, your energy or all three.

What does “glow up” actually mean?

A glow up is a noticeable, positive change in how you look and feel, usually built over weeks or months. The word started as slang for dramatic before-and-after transformations, but in practice it covers everyday changes: clearer skin, a fitter or stronger body, better sleep, a haircut and clothes that suit you, and the confidence that comes with all of it.

The important part is that a glow up is something you build, not something you buy. Products and outfits help, but the biggest changes come from habits.

Why 90 days works

There are two reasons. First, habits take time to stick. In a well-known study from University College London, people who repeated a new daily habit took a median of 66 days before it felt automatic, with big differences from person to person (Lally and colleagues, 2010). Ninety days gives you room to get there, even with a few bad weeks.

Second, visible change is slow. Skin, body composition and posture change over weeks and months, not days. Three months is long enough to see a difference in side-by-side photos, and short enough to stay motivated.

Before you start: set up Day 1

1. Take your Day 1 photos. Front, side and back, in good, consistent light. This is your reference for the next ninety days, so take it properly. Here’s how to take progress photos that actually show change.
2. Pick one to three focus areas. Skin, weight, strength, energy, style. Trying to fix everything at once is the fastest way to quit.
3. Write down why. One sentence. You’ll need it around week three.
4. Choose your time. Pick the same time each day for your check-in, ideally in the morning.

The six pillars of a glow up

1. Sleep

Sleep is the cheapest glow-up product there is. The CDC recommends that adults aged 18 to 60 sleep at least 7 hours a night, and links shorter sleep to a higher risk of health problems (CDC). Keep the same wake-up time every day, put your phone away before bed, and keep your room dark and cool.

2. Skin

You don’t need ten steps. Wash your face no more than twice a day with a gentle cleanser, lukewarm water and your fingertips, without scrubbing (AAD). Moisturize, and wear a broad-spectrum sunscreen with SPF 30 or higher every morning (AAD). Then add one treatment for your main goal. Our glow-up skincare routine walks you through it, morning and night.

3. Movement

Adults need at least 150 minutes of moderate activity a week, like brisk walking, plus muscle-strengthening activity on two or more days (CDC). Walking lifts your energy and mood. Strength training is what changes your shape and posture. If your goal is your body, here’s what a realistic body transformation looks like for women at 30, 90 and 180 days.

4. Food and water

Eat mostly whole foods: protein at every meal, plenty of vegetables and fruit, and water as your main drink. If you want to lose weight, slow is better. The CDC says people who lose about 1 to 2 pounds a week are more likely to keep it off (CDC). Crash diets tend to show up in your skin, your energy and your mood.

5. Grooming and style

These are the quick, visible wins: a haircut that suits your face, tidy brows and nails, a fresh smile, and clothes that fit the body you have today, not the one you’re working toward. Stand tall, too. Posture changes how clothes sit more than you’d think.

6. Mind

A glow up is also about how you feel. Spend time outside, cut back on comparison scrolling, keep small promises to yourself, and notice the wins. If you’re struggling with how you see yourself, talk to someone you trust or to a professional.

Your 90-day glow-up plan

1. 1

   Days 1–30

   Foundations

   • Take your Day 1 photos, then one photo every day.
   • Fix sleep first: the same wake-up time and 7+ hours a night.
   • Start the core skincare routine: cleanse, moisturize, sunscreen.
   • Walk every day and add two short strength sessions a week.
   • Add one new habit a week, not all of them at once.
2. 2

   Days 31–60

   Build

   • Compare Day 1 with day 30 and keep what is working.
   • Add one skin treatment for your main goal.
   • Progress your workouts: a little more weight or a few more reps.
   • Plan your meals each week, with protein at every meal.
   • Book the haircut and sort out your wardrobe basics.
3. 3

   Days 61–90

   Refine

   • Compare Day 1 with day 60 and adjust one thing.
   • Keep the habits that now feel automatic and drop what isn’t helping.
   • Fine-tune your style: colors, fit and grooming.
   • Take your Day 90 photos in the same spot and light as Day 1.
   • Watch your ninety days back as a film.

Your weekly rhythm

• Every day: your progress photo, sunscreen, movement, water and bed on time.
• Every week: two strength sessions, a quick meal plan, and one thing that’s just for you.
• Day 30, 60 and 90: compare against Day 1, write down what changed, and adjust one habit.

Want it on paper? Print our free glow-up checklist and stick it on your mirror.

15 glow-up tips that actually help

1. Drink a glass of water when you wake up.
2. Set an alarm for bedtime, not just for waking up.
3. Keep your sunscreen next to your toothbrush.
4. Wash your face after heavy sweating.
5. Don’t pick at spots.
6. Walk after meals when you can.
7. Lift something challenging twice a week.
8. Add protein to your breakfast.
9. Plan tomorrow’s outfit tonight.
10. Get a haircut every six to eight weeks.
11. Change your pillowcase often.
12. Clear out clothes that don’t fit.
13. Charge your phone outside your bedroom.
14. Take your daily photo at the same time.
15. Compare yourself with your Day 1, never with strangers online.

How to track your glow up

The mirror hides slow change, so use photos. Take them the same way every day, and compare Day 1 with today at each milestone: one week, two weeks, one month, two months and three months. At the end, turn every day into a short before-and-after glow-up video.

Common glow-up mistakes

• Changing everything at once. You’ll burn out by week two. Add one habit a week.
• Crash dieting. Fast results rarely last, and they show in your skin and energy.
• Buying instead of building. A new serum can’t replace sleep and sunscreen.
• Checking the mirror for progress. Compare photos at milestones instead.
• Quitting after a bad week. Missed days don’t erase your progress. Pick it up the next morning.