Coloring Hair Jet Black

Older woman with black hair — Photo: Nadino/Shutterstock

Q: My aunt just turned 40 and is thinking about dyeing her hair jet black. She has concerns about it because a lot of stylist experts say jet black hair makes you look older. Her skin color is light. How old will it make her look? Ten or twenty years older?

A: It’s not a quantifiable conversion, and I couldn’t possibly say that dyeing her hair jet black would make her look a specific number of years older. There is no formula such as “jet black hair makes you look 10 years older.” The effect depends on many factors, including her natural skin tone and undertones, her existing hair color, eyebrows, eye color, and the overall condition of her hair.

What you need to understand is why very dark hair can sometimes affect how old or young someone is perceived. This is especially true when there is a strong contrast between the hair and light skin:

• Hair and Skin Contrast: Hair color can influence how old you look, and research shows that the contrast between hair color and skin color matters. Very dark hair against light skin creates a much stronger contrast than softer brown or dark-blonde hair. In some people, that high contrast can make the overall appearance look more severe.

• Darker Hair Doesn't Always Age You: Black hair doesn't automatically make you look older. Studies have shown that hair color can affect how old people think you are, but the effect is not the same for everyone. Recent research shows that darker hair can make a person’s skin appear more even-looking in certain circumstances.

• Aging Changes Hair and Skin Tone: As we get older, hair loses pigment and begins to turn gray or white. Skin also changes with age and changes in thickness, pigmentation, texture, and translucency. All of this contributes to how the complexion looks. Because both your hair and skin tone shift over time, a hair dye that suited you perfectly years ago might look completely different on you today.

• The Impact of High Contrast: Jet black hair creates a very strong visual frame around a light face. Whether that is flattering depends on the individual. On some people, the contrast looks striking, elegant, and stylish. On others, an extremely dark, solid black can look too harsh against their skin. It comes down to finding the right balance for yourself, rather than thinking black hair automatically makes someone look older.

• Natural Dark Hair vs. Jet-Black Dye: There is a big difference between natural dark hair and dyed jet-black hair. If your natural hair is already very dark, keeping it that way usually looks soft and realistic. The harshness happens when someone with naturally lighter hair suddenly dyes it a solid, blue-black shade, creating a dramatic clash with their natural tone.

• Upkeep and Natural Shading: Jet-black dye can look glossy and striking, but a solid artificial black can sometimes appear flat compared to natural dark hair. The biggest downside is maintenance: as light or gray roots grow in, they show up very quickly against dark dye, requiring frequent root touch-ups.

A stylist might suggest a lighter or softer color, especially if your aunt wants to hide gray hair or keep maintenance low. But this isn't a rule that every stylist will follow, and it doesn't mean that jet black is automatically unflattering. A good stylist looks at the full picture: her skin tone, eye color, eyebrows, natural hair, amount of gray, and personal style.

Dark hair colors — Alternative dark hair colors

If she loves the idea of dark hair, she doesn't have to abandon it completely. She could consider a soft dark brown, espresso brown, or chestnut. These shades can provide a similar effect as black hair while creating a less extreme contrast with light skin.

And if she really wants jet black, she can absolutely try it. Age 40 doesn't come with strict hair rules. The important question isn't “Will black make her look old?” but rather “Does this particular black work with the look she wants?” If she's uncertain, a safe approach is to try a temporary or semi-permanent dark shade first, or use a wig or a hairstyles app to get an idea of how the contrast looks.

©Hairfinder.com

See also:

Going gray

Hair and the aging woman

Hairstyles to look younger