Why Most Glow-Ups Fail by Day 4

Nine weeks until New Year's Eve: one free glow-up change a week, in an order where the slow ones start first so all nine show on the same night. Brows, lips, skin, hair, sleep, your best colours, posture, the real laugh and the five-foot photo, each with the study or the dermatologists behind it, and a photo test of you against you. Chapters: 00:00 Nine weeks left 00:50 Week 1: The brush-up 02:16 Week 2: Jelly nights 03:11 Week 3: The damp minute 04:09 Week 4: The hand-span rule 05:30 Week 5: The two-night rule 06:23 Week 6: The window test 07:11 Week 7: The plumb line 08:01 Week 8: The real laugh 08:44 Week 9: The five-foot photo 09:31 New Year's Eve More guides:    / @tenpercentprettier   Ten Percent Prettier: small upgrades, real science, no gatekeeping. Nothing here is medical advice: for anything about your health or a skin condition, talk to a dermatologist or a doctor. Sources: Beauty sleep: experimental study on the perceived health and attractiveness of sleep deprived people (Axelsson et al.): https://pubmed.ncbi.nlm.nih.gov/21156... Cues of fatigue: effects of sleep deprivation on facial appearance (Sundelin et al.): https://pubmed.ncbi.nlm.nih.gov/23997... Negative effects of restricted sleep on facial appearance and social appeal (Sundelin et al.): https://pubmed.ncbi.nlm.nih.gov/28572... Does poor sleep quality affect skin ageing? (Oyetakin-White et al.): https://pubmed.ncbi.nlm.nih.gov/25266... The effect of environmental humidity and temperature on skin barrier function and dermatitis (Engebretsen et al.): https://pubmed.ncbi.nlm.nih.gov/26449... Sunscreen and prevention of skin aging: a randomized trial (Hughes et al.): https://pubmed.ncbi.nlm.nih.gov/23732... Lip colour affects perceived sex typicality and attractiveness of human faces (Stephen & McKeegan): https://pubmed.ncbi.nlm.nih.gov/20942... The role of eyebrows in face recognition (Sadr, Jarudi & Sinha): https://pubmed.ncbi.nlm.nih.gov/12729... Cosmetics alter biologically-based factors of beauty: evidence from facial contrast (Jones, Russell & Ward): https://pubmed.ncbi.nlm.nih.gov/25725... Aspects of facial contrast decrease with age and are cues for age perception (Porcheron, Mauger & Russell): https://pubmed.ncbi.nlm.nih.gov/23483... A sex difference in facial contrast and its exaggeration by cosmetics (Russell): https://pubmed.ncbi.nlm.nih.gov/19817... Long Lashes, Mixed Signals: Investigating the Effect of Eyelash Length on Perceived Health, Attractiveness, and Sexual Receptivity (Pazhoohi): https://pubmed.ncbi.nlm.nih.gov/40106... Eye Cosmetic Safety: https://www.fda.gov/cosmetics/cosmeti... Ocular argyrosis after long-term self-application of eyelash tint (Gallardo et al.): https://pubmed.ncbi.nlm.nih.gov/16387... An Emerging Ophthalmology Challenge: A Narrative Review of TikTok Trends Impacting Eye Health Among Children and Adolescents (Al Hassan et al.): https://pubmed.ncbi.nlm.nih.gov/38315... Randomized trial of topical periocular castor oil treatment for blepharitis (Muntz et al.): https://pubmed.ncbi.nlm.nih.gov/32422... Something to smile about: the interrelationship between attractiveness and emotional expression (Golle, Mast & Lobmaier): https://pubmed.ncbi.nlm.nih.gov/23875... Perceptions of Duchenne and non-Duchenne smiles: A meta-analysis (Gunnery & Ruben): https://pubmed.ncbi.nlm.nih.gov/25787... Dominant, open nonverbal displays are attractive at zero-acquaintance (Vacharkulksemsuk et al.): https://pubmed.ncbi.nlm.nih.gov/27035... Assessing the robustness of power posing: no effect on hormones and risk tolerance in a large sample of men and women (Ranehill et al.): https://pubmed.ncbi.nlm.nih.gov/25810... Nasal Distortion in Short-Distance Photographs: The Selfie Effect (Ward, Ward, Fried & Paskhover): https://pubmed.ncbi.nlm.nih.gov/29494... Perspective distortion from interpersonal distance is an implicit visual cue for social judgments of faces (Bryan, Perona & Adolphs): https://pubmed.ncbi.nlm.nih.gov/23028... Hair shaft damage from heat and drying time of hair dryer (Lee et al.): https://pubmed.ncbi.nlm.nih.gov/22148... The effects of water on heat-styling damage (Christian et al.): https://pubmed.ncbi.nlm.nih.gov/21443... (+40 more sources in the pinned comment) Credits: Stock 179 clips under the Pexels License, by https://kaboompics.com/ (Pexels), Ron Lach (Pexels), RDNE Stock project (Pexels), cottonbro studio (Pexels), ArtHouse Studio (Pexels), KoolShooters (Pexels), Pavel Danilyuk (Pexels), ROMAN ODINTSOV (Pexels), Tima Miroshnichenko (Pexels), MART PRODUCTION (Pexels), Kampus Production (Pexels), SHVETS production (Pexels) and 42 more creators. Licensed stock from Envato Elements: 37 video clips. Music: original score generated for the channel #glowup #glowupchallenge #newyearglowup