If you have a small face but are not interested in a 
The 2.25 rule states that, if the measurement is less than 2.25 inches, your face would suit a short hairstyle like a youthful bob. If the measurement is more than 2.25 inches, your facial structure is less likely to suit short hair and you should sitck with longer locks.
I'd say long hair because it will elongate your face more. Short hair ( such as a bob cut or smth ) will make your face appear more round, fat and puffy especially if your hair is very voluminous.
Long hair can create the illusion of a slimmer appearance by elongating your face and neck. However, the overall effect also depends on factors like your hairstyle, hair color, and how you style it. Here are a few tips:
Aged faces should NOT have long hair as it tends to pull down the face and make it seem even droopier than Nature does. Square, round or oval faces can get away with longer hair but, it should be kept in style with regular trims and parted in differing ways to enhance face shape.
The formula uses a ratio that looks at the length between your chin and your earlobe to determine whether long or short hair would suit you better. If the distance you measured is less than 5.5cm, a short haircut suits you. If it's more than 5.5cm, longer hair will (theoretically) flatter you the most.
The oval face shape is frequently cited as the most attractive due to its balanced proportions. Celebrities like Beyoncé and Charlize Theron exemplify this standard, with their facial features often considered ideal.
Females with long hair are considered more attractive than females in short hair and healthier by men, especially if women are less attractive. Long hair, as it is harder to care for, it is associated with high phenotypic and genetic quality (Mesko and Bereczkei, 2004) . ...
Long, straight hair is a classic option that naturally slims a round face by adding length. The straightness of the hair creates vertical lines that elongate the face, making it look slimmer. It's important to keep the hair sleek and smooth, as volume on the sides can accentuate the roundness.
It is a common misconception that long hair makes you look older. In reality, the way your hair is styled and maintained has a bigger impact on your appearance. With proper grooming and styling, long hair can actually make you look younger.
There's an easy, and we mean easy, way to decide if short hairstyles are in your future. We call it the 2.25 rule. Practically fool proof, this rule states that if the longest part of your chin is less than 2.25 inches from the tip of your earlobe, then short hairstyles are for you.
Another long hair tip from those in the know is that your face shape can be the secret to success. A square or oval face shape works best with long hair styles and a strong jawline should also make you consider whether a long hairstyle could be the look for you.
Key Takeaways. Face Shape Compatibility: Long hair can enhance any face shape, but certain styles are more flattering depending on your face's structure. Styling Strategies: Adjust hairstyles to make your face appear more oval, which is considered universally appealing.
While there are no strict rules, hairstyles that emphasize width or add volume at the sides should be avoided for round faces, as they can make the face appear rounder. This includes blunt bangs, excessively voluminous styles, and chin-length cuts without layers.
Not too short and not too long, a long bob is an excellent choice for a round face—or any face shape, for that matter. The length gives you some hair to play with for different styles, including the ability to pull it back if you want to keep it out of your face.
Face Framing Layers
 One of the most flattering, slimming haircuts for any face shape is face-framing layers. "Face framing layers that follow the contours of your cheekbone and jawline will always give you an instant 'hair contouring' effect," says Lopez.
Armpit-length hair
 This hair length is feminine and versatile and flatters most women, provided you choose a suitable haircut. It works excellently with layers that add more volume to your hair and with highlights that create depth.
Luscious locks teaming with life have been a striking staple of longed after ladies for centuries. When men are asked to rank features they find most attractive on the opposite sex, maintained manes always dominate the list. The truth is that long hair triggers a primal, instinctive response within men.
Define Awkward Hair Length. The awkward stage can take many shapes and forms, but the generally accepted definition for awkward length hair is from the point when it starts to look like you need a haircut until the time you can tie it up. It starts when you start to look shaggy, not so neat and tidy, a little unkempt.
The small face has become a prominent beauty standard in South Korea and many other Asian countries. It is believed to make individuals appear more youthful, elegant, and photogenic.
Diamond. The diamond shaped face is the rarest of face shapes, and is defined by a narrow forehead, wide cheekbones and a narrow chin. Diamond shaped faces are usually narrower at the eye line and jaw line, with high and often dramatic cheekbones.
there's more than one answer. One thing these survey results have in common is that light-colored eyes — green, gray, blue, and hazel — are named as the most attractive eye colors in the world. In one large survey of more than 66,000 people, green was chosen as the most attractive eye color.