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13 Style Mistakes That Make You Look 10 Years Older

Updated on June 27, 2025 by TMM Staff · Clothing and Style

A man holding a vintage radio
©Getty Images/Unsplash.com

Don’t get it twisted: There’s nothing wrong with looking older or more mature. However, if your goal is to look fresh, modern, and confident at any age, some style habits can unintentionally add a decade–or two–to your appearance. The good news? These mistakes are easy to fix. And you don’t need to overhaul your closet or your identity. A few smart tweaks go a long way in helping you show up as your most polished, present-day self.

Here are 13 style mistakes that may be aging you–plus subtle, doable ways to course-correct.

1. Poor Undergarments

Some clothes hanging on a clothesline
©Andreea Popa/Unsplash.com

Granny panties? Only if you love them. But saggy bras, visible panty lines, and shapeless briefs can all mess with the structure of your outfit. Supportive, seamless undergarments aren’t about hiding flaws–they’re about creating clean lines that help your clothes fit better. Get professionally fitted for a bra if it’s been years (or decades). And don’t be afraid to try updated materials–microfiber and mesh are your friends.

2. Oversized Clothes

A man wearing oversized clothes
©️Image: OpenAI

Oversized clothing has been all the rage in streetwear for the past few years, but there’s a difference between slouchy chic and swallowed-by-fabric. Billowy silhouettes can drown your shape and make you appear less put-together. Try mixing proportions: a looser top with tapered pants or a tailored blazer over a flowy dress. Structure adds instant polish and youthfulness without trying too hard.

3. Too Much Black or Grey

©Graphe Tween/pexels.com

Black and grey have their place, but head-to-toe neutrals can wash you out–especially if your undertones have shifted with age. These colors absorb light, which can highlight shadows and dullness in the skin. If you love a dark palette, add contrast: a pop of color near the face, statement earrings, or a scarf in a flattering hue. You don’t need to abandon black, just balance it better.

4. Cakey Foundation

©Melanie Rosillo Galvan/pexels.com

Thankfully, this is a mistake for which there are so many fixes. Thick, matte foundation tends to settle into fine lines and emphasize texture. Swap full coverage for something lighter and dewier. Hydrating primers, skin tints, and cream-based products can add glow without the heaviness. Bonus: your skin will actually look like skin–and that’s always in style.

5. Frumpy Everything

©️Image: OpenAI

Similarly to oversized clothes, wearing shapeless, overly casual outfits on repeat (hello, stretched-out tees and dated cardigans) can make you look like you’ve given up–when you absolutely haven’t. Comfort is essential, but frumpy doesn’t have to be the price. Choose fabrics that drape well, invest in elevated basics, and pay attention to fit. And make sure to strike the balance! You can wear a frumpier skirt with a tighter top, or vice versa. This way, you can be comfy and still chic.

6. Gaudy Jewelry

©Gursimrat Ganda/Unsplash.com

If you’re still wearing your costume jewelry with every outfit, it might be time for an edit. Chunky necklaces and oversized earrings can overpower your features and feel dated fast. Instead, lean into intentional accents: a sleek gold hoop, a layered chain, or a minimalist statement piece. Modern jewelry doesn’t have to be expensive–it just has to feel current.

7. Outdated Glasses

©Getty Images/Unsplash.com

Some vintage glasses can look cool–but frames that haven’t been updated in a decade probably aren’t doing you any favors. Styles and face shapes evolve. If your lenses are yellowing or your frames scream “mid-2000s optometrist visit,” it might be time for a refresh. A new pair of specs can instantly brighten your face and give your whole look a lift.

8. Heavy Eyeliner

A black liner on a pink table
©Getty Images/pexels.com

Heavy eyeliner is excellent for heavy metal enthusiasts and Halloween, but harsh lines around the eyes can drag down your features. Overly dark liner, especially on the lower lid, creates shadows and makes eyes look smaller. Try a soft brown or charcoal smudged into the lash line instead. Or experiment with tightlining–it’s subtle, defined, and opens the eyes beautifully.

9. Everything Matchy-Matchy

©️Image: OpenAI

We love a good coords moment, but dressing in ultra-matching sets, accessories, or color schemes can come off as outdated. The modern approach? Intentional mismatch. Mix metals, break up suit sets with a tee, or add a sneaker to a tailored look. Fashion today is more about balance than perfection–and that flexibility reads as youthful and confident.

10. Neglecting Hair

A close up photo of a person’s messy hair
©Niklas Hamann/Unsplash.com

When was the last time you retouched your roots or updated your cut? Hair is one of the first things people notice, and neglecting it can unintentionally age your whole vibe. This doesn’t mean covering up grays–owning your silver can look incredible. But a modern cut, regular trims, and thoughtful color maintenance (or embracing your natural texture) make a big difference.

11. Unmoisturized Skin

A close up photo of a person’s dry hands
©Alexander Grey/Unsplash.com

Nothing ages your skin more than dehydration–and yes, it shows under makeup and even through clothes. Dry, flaky skin dulls your glow and exaggerates texture. A solid skincare routine doesn’t have to be complicated: a gentle exfoliant, a rich moisturizer, and SPF go a long way. Hydrated skin looks plumper, smoother, and more vibrant at any age.

12. Wearing the Wrong Shoe Style

©Joceline Painho/Unsplash.com

The shoes you choose can make or break your outfit. Dated styles (think orthopedic-looking loafers, square-toe pumps, or clunky wedges) can anchor your whole look in the past. That doesn’t mean stilettos–just opt for sleeker silhouettes, updated sneakers, or chic flats. Modern footwear can still be comfortable; it just needs to feel intentional, not accidental.

13. Clinging to Trends From a Decade Ago

©Getty Images/Unsplash.com

If you’re still wearing skinny jeans with ballet flats and a long tank top layered under a cardigan with a mustache necklace… you might be in a style time warp. Trends come and go, and the key to timeless style is knowing when to let go. Take inspiration from what’s current, and mix it with what you love. Your style should evolve–just like you do.

Clothing and Style

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About TMM Staff

The Modest Man staff writers are experts in men's lifestyle who love teaching guys how to live their best lives.

If an article is published under TMM Staff, that means multiple writers worked on it. For example, sometimes several of us have experience with a certain brand, so we collaborate to publish a more thorough review.

Or, if an article was originally written by one person, but then it was updated by someone else, we'll re-publish it under TMM Staff.

Remember: all of our articles (including those below) are written by real people with decades of combined experience in men's fashion and lifestyle topics.

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