The what, why and how of curly hair: a review PMC

Table Of Content

• White Blood Cell
• Is Curly Hair Recessive Or Dominant Trait?
• Curly Hair 101: Identifying and Styling Different Curl Patterns
• The Genetic Discovery Behind Curly Hair: Unveiling the Origins and Evolution
• High Taper Mullet Styling Hacks: From Sleek to Messy
• What Gene is Responsible for Curly Hair?
• Is hair texture determined by genetics?

The best thing about it is you can load up your hair with nourishing creams and oils to recreate the editorial style while looking after your curls at the same time. We believe that all curls are beautiful and should be enhanced in their natural form. Our curl-loving formulas are all cruelty-free, vegan hair products that do not contain silicones, sulfates or parabens. In addition to the heavenly smell, this deep conditioner does the hard work of penetrating type 4 hair shafts to deliver long-lasting moisture. It’s perfect for curls, coils, and textured hair that need repair, volume, and hydration.

White Blood Cell

For example, variation in the TCHH gene is often responsible for curly vs straight hair in people with European ancestry, while variation in the EDAR gene is often responsible for straight hair in people with Asian ancestry. The mystery of genetics means that if both parents carry the recessive curly hair gene, their child could very well sport a curly mane. Even within families with a strong prevalence of curly hair, hair type could vary significantly, emphasizing the complex interplay of genes. The interplay between multiple genes, each with its variants, determines the final hair phenotype, making the genetics of hair curliness a complex trait. How we care for our hair, from the products we use to the methods of styling, can also impact its texture. Overuse of heat tools, chemicals, or harsh treatments can damage the hair shaft, potentially altering its natural state.

Is Curly Hair Recessive Or Dominant Trait?

People with Type 2 curls are often looking to control frizz while still maintaining the integrity of the curl. “It’s important to avoid using heavy natural oils that can make this hair type look greasy, or creams and gels that will weigh curls down and make them look crunchy,” says Naturally Drenched founder Jamila Powell. While 2A and 2B strands have an S shape, the shape of 2C curls is most prominent from the scalp to the roots. This results in 2C hair being more voluminous than its 2A and 2B counterparts.

Curly Hair 101: Identifying and Styling Different Curl Patterns

The curliness of hair is a trait influenced by a combination of genetic variations, emphasizing that the presence of curls is not exclusive to any particular racial group. In straight hair, all the cells in the follicle act in a coordinated fashion, leading to even hair growth from the straight follicle. The shape of each hair follicle is thought to be determined during embryonic development, but scientists do not know exactly how this happens. This shape is set for life, although the hair follicle naturally undergoes structural changes every few years. Structure of a curly hair fibre, showing detail of the growing and keratinized parts.

It doesn't necessarily influence which type of product you'll pick, but it will have a strong influence on your routine and how you apply them. This does not largely influence the type of product you pick, but it may have a strong impact on your curly hair routine and how you apply them. If you need extra sheen for your 4A hair type, this mousse will give you the bouncy lock you desire without the frizz. With 8,100+ glowing five-star ratings, one buyer said, "I have 3C/4A/4B texture and it separates my curls [PERFECTLY]." If you have dry and damaged curly hair, is time to hydrate your strands with this conditioner. This product has exotic ingredients like argan oil, Babassu seed oil sourced from Brazil and mango butter sourced from India.

Embracing a hair care routine tailored to your specific hair type and needs can help preserve its natural beauty and health. Since curly hair is dominant, he may have been born with curly hair but carry an allele for straight hair, too. For more information on your curly hair type, and what products you should be using to achieve your hair goals, take our curl quiz now. Coily hair is often referred to as afro or kinky hair, as well as type 4.

High Taper Mullet Styling Hacks: From Sleek to Messy

Straight hair, meanwhile, emerges at a right angle from the scalp in a collinear direction. Shop TODAY talked to curl experts to decipher the intricacies of naturally curly hair. We also found some shopper-loved products that'll surely help take your curly tresses down the right path. Using a scrubbing technique while co-washing will also help to release dirt and add hydration to protect the hair.

These methods, though, may damage the hair if not properly utilized or cared for. One way for the couple you describe to have a straight haired child is if the curly headed parent actually has wavy instead of curly hair. It may seem like a minor distinction but from a genetic point of view, the difference is critical. If both parents have a combination of genes (one for straight and one for curly hair), their offspring can exhibit a range of hair textures.

Is hair texture determined by genetics?

Curly hair is not a sign of disorder; it’s a unique trait that can be a source of pride and empowerment. There isn’t necessarily one single gene that causes your hair to become curly. Your hair type is the result of how your parent’s DNA combines, in addition to your ethnicity. Studies suggest that people with different ancestral histories have different genes that are responsible for their hair type. That would mean you’ve got three alleles for straight hair, and only one for curly hair. You could very well be born with straight hair, or pass the possibility of having straight hair down to your children.

It often has tight coils forming “S” or “Z” shapes and can be either fine or thick. African curly hair is known for its ability to maintain complex hairstyles and is celebrated for its versatility. Curly hair isn’t limited to just one group of people; it’s a global trait showing the rich diversity and complexity of human genetics. All these ideas show us how complex and interesting the story of our hair is. It’s not just about curly hair being dominant or recessive, or whether curly hair is rare.

Barnyard Basics: Curly horses were almost lost as a breed - Post Register

Barnyard Basics: Curly horses were almost lost as a breed.

Posted: Tue, 05 Apr 2022 07:00:00 GMT [source]

A blunt bob and a choppy fringe has to be one of my favourite bob hairstyles for curly hair. Whether you opt for a sharp micro-fringe or a sweeping French-inspired fringe, it's an easy way to switch up a classic style into something more head-turning. But to break it down easier for your ringlets, curl expert Marilyn Rose identifies them in three main types with subcategories which identify "how wavy, how curly and how spiral" your hair fibers are. Wavy hair type falls under the 2A, 2B and 2C group; curly hair is grouped in types 3A, 3B and 3C; and coily hair is sorted in types 4A, 4B and 4C. 4A hair forms an "S" shape pattern with a defined curl definition that is typically soft and displays many small curls closely together. Those with 4A hair typically have a lot of hair, with curls that sit close together and give the appearance of darker strands until stretched.

Also known as the "old money" bob, this luxurious take on the bob hairstyle is all about volume and shine with plenty of texture around the face. Depending on how tight the wave pattern is, it can be further divided in 2a, 2b and 2c. Hair experts differ in opinions when it comes to classifying curls and pattern differences.

The dominant gene will become the visible trait in the person born with both characteristics in their DNA. A recessive gene is a piece of genetic information that you can’t see, but that you may carry. Turns out, the wet-look hairstyle wasn't just for awards season—it's going to be everywhere this spring/summer and looks particularly great on curly hair.