Red hair ranges from light strawberry blond shades to
Type 1A: The rarest hair type, this one is very straight and fine with a “wispy” appearance. It's very difficult to get it to hold a curl. Type 1B: Though still straight, this type has a medium (rather than fine) texture and a little more volume.
Natural red hair is the rarest hair color in the world, only occurring in 1 to 2% of the global population.
Nature's Rarest Palette: Red Hair Standing at the apex of rarity, natural red hair occurs in just 1-2% of the global population. This striking shade results from a specific genetic variant of the MC1R gene, requiring both parents to pass on the recessive trait.
Interestingly, natural blondes are increasingly rare, constituting only about 2% of the global population, according to the WHO. So why the comparative scarcity of towheads? The alleles for light hair are recessive genetic traits.
Black hair is the darkest and most common of all human hair colors globally, due to large populations with this trait. This hair type contains a much more dense quantity of eumelanin pigmentation in comparison to other hair colors, such as brown, blonde and red.
According to Curlkeeper, less than 20% of people have curly hair, making it a rare hair type. However, curly hair comes in all kinds of different styles starting with super coiled curls to slightly wavy. Curly hair requires work to maintain and take care of it, making it hard for some to stick to the routine.
Black hair or jet black hair is the darkest hair color. It has large amounts of eumelanin and is denser than other hair colors and is the commonly seen hair color in Asia and Africa due the fact that the people in these regions tend to have lower levels of tyrosinase in their bodies.
Despite its popularity, strawberry blonde hair only occurs naturally in between 1 and 2 percent of the world's total population — which means it takes hair color and technique to make it happen for the rest of us. In fact, it's a hue that's been rare yet in demand for centuries.
A general observation across experiments was that straight hair was perceived as younger, healthier, and more attractive than wavy hair and darker shades (medium copper and brown) were perceived more positively than blonde hair.
The rarest eye colors are red and violet, which are primarily found in individuals with albinism. Excluding those affected by albinism, green and gray eyes are considered the most uncommon.
Coily hair is often referred to as afro or kinky hair, as well as type 4. Coily hair can consist of very tight corkscrews or a 'Z' shaped pattern that starts right from the root. Due to its tight curls, this curly hair type often appears shorter than it actually is - this is referred to as shrinkage.
Now you know what is the most common hair colour in the world, but what about the rarest? The rarest natural hair colour is red, which makes up only one to two percent of the global population.
Type 1a – Straight (Fine/Thin) – Hair tends to be very soft, shiny and difficult to hold a curl. Hair also tends to be oily, and difficult to damage. Type 1b – Straight (Medium) – Hair has lots of volume & body.
The idea of whether curly hair is more attractive than straight hair really depends on personal preference, cultural influences, and even context. Ultimately, attractiveness is subjective.
Black Eyes
There's an eye disorder known as aniridia which makes the eye appear to have “no iris.” In truth, there is a small ring of iris tissue, but it is so small and the pupil is so large that it can look like the eyes are completely black.
Representing only about 2% of the global population, natural blondes are relatively rare, making this hair colour one of the less common natural shades.
Hair that's too dark doesn't reflect light. It can look opaque and age you, zapping life and color from your face. Very dark, one-dimensional hair will put a spotlight on your grays and regrowth. Ask your colorist for a single process with highlights to bring your natural hair color a shade or two lighter.
And what would you think is the most attractive eye color? In a website poll of over 66,000 respondents, 20% said green was the most attractive, followed by hazel and light blue at 16%. Brown was far and away voted the least attractive (6%).
In 2025, blonde gets a creamy upgrade with the introduction of butter blonde. This warm, soft shade combines golden and honey tones, creating a buttery richness that's perfect for anyone looking to brighten up their locks without going too light.
Vanilla. Arguably one of the most beloved and sultry fragrances out there is vanilla. You can find this delicious smell in Sweet Ash. Subtle, low-key, and addictive, Sweet Ash is a sweet scent that features a combination of juniper, bergamot, fir balsam, tonka, white moss, and patchouli.
The standard deviation (±) and range are expressed for each of the averages. Straight hair was the most predominant hair type − 84% (21/25) in men and 64% (16/25) in women - followed by wavy hair − 12% (3/25) and 28% (7/25), respectively. Curly hair was present in 4% (1/25) and 8% (2/25) of men and women, respectively.
Type 1A hair is the rarest of them all. Straight as a pin and can be prone to greasiness. It can be difficult to style, is extremely fine and it does not hold a curl. Type 1B hair is thicker than 1A.
Curly hair is more common and can help with reducing friction. But if you've got straighter hair, you're not alone—it's less typical but totally normal.