Hyaluronic acid (HA) is a substance that is naturally found in the body and is known for its ability to hold onto water. It is commonly used in skin care products because it can help to keep the skin hydrated and plump.

HA can also be used in hair care products, and it is thought to have several potential benefits for the hair:

Moisturizing: HA is a natural moisturizer that can help to keep the hair hydrated and prevent dryness.

Repairing: HA may help to repair damaged hair by filling in gaps in the hair cuticle and restoring the hair's natural protective barrier.

Strengthening: HA may help to strengthen the hair by increasing its elasticity and reducing breakage.

Volumizing: HA may help to add volume to the hair by swelling the hair shaft, which can give the hair a fuller, thicker appearance.

Overall, while HA is not a hair growth treatment, it may help to support healthy hair growth by moisturizing, repairing, strengthening, and volumizing the hair. It's worth noting that the specific benefits of using products that contain HA will depend on an individual's hair type and needs, and it's always a good idea to carefully consider all of the available options and choose a product that is appropriate for your needs and goals.

Niacinamide is a form of vitamin B3 that is used in skin care products. It has a number of potential benefits for the skin, including the ability to improve the appearance of fine lines and wrinkles, improve skin texture and tone, and reduce the appearance of dark spots. Niacinamide can also help to strengthen the skin's barrier function, which can help to protect the skin from environmental stressors such as pollution and UV radiation. It is generally well tolerated by all skin types and can be used in conjunction with other skin care ingredients.

There is some evidence to suggest that niacinamide may be beneficial for the hair. Vitamin B3, of which niacinamide is a form, is an essential nutrient that is important for the health of the hair and scalp. It can help to improve circulation to the scalp, which can stimulate hair growth and promote healthy hair. Niacinamide may also be able to help to strengthen the hair and reduce breakage, as well as improve the overall appearance of the hair. However, more research is needed to confirm these effects and to determine the optimal way to use niacinamide for hair care. In the meantime, maintaining a healthy diet that includes a sufficient intake of vitamins and minerals is generally the best way to support healthy hair growth.

DHT, or dihydrotestosterone, is a hormone that is produced by the enzyme 5-alpha reductase. It is a byproduct of testosterone and is found in both men and women. In men, DHT is responsible for the development of male secondary sexual characteristics, such as facial and body hair growth.

DHT can have negative effects on the hair, particularly in people who are prone to androgenetic alopecia (male or female pattern baldness). In these individuals, DHT can cause the hair follicles to shrink, leading to thinning hair and eventual hair loss. Some medications, such as finasteride, are designed to inhibit the production of DHT and are used to treat hair loss. However, these medications can have potential side effects and should only be used under the guidance of a healthcare provider.

There are a number of topical ingredients that have been suggested to block DHT and potentially help to prevent hair loss.  The DHT-RX5 complex includes many of these, including Saw Palmetto and Azelaic Acid.

Saw palmetto: This is a plant extract that has been shown to inhibit the enzyme 5-alpha reductase, which is responsible for the production of DHT.

Azelaic acid: This is a naturally occurring acid that has been shown to block DHT and promote hair growth.

It's important to note that the effectiveness of these ingredients in blocking DHT and preventing hair loss has not been fully established and more research is needed. In the meantime, maintaining a healthy diet and using a gentle, nourishing hair care regimen can help to support healthy hair growth.

Squalene is a natural hydrocarbon that is found in small amounts in the skin, as well as in certain plant oils such as olive oil and rice bran oil. It is a precursor to cholesterol and is an important component of the skin's natural moisturizing factor. Squalene has a number of potential benefits for the skin, including the ability to hydrate and soften the skin, protect against environmental stressors such as pollution and UV radiation, and reduce the appearance of fine lines and wrinkles. Squalene is generally well tolerated by all skin types and can be used in a variety of skin care products, including moisturizers, serums, and facial oils.

Squalene may be beneficial for the hair in a number of ways. It is a lightweight oil that can help to nourish and moisturize the hair and scalp. It can also help to protect the hair from damage and breakage, and may improve the overall appearance of the hair. Squalene may also have some anti-inflammatory properties, which may be beneficial for the scalp.

In addition to these benefits, squalene has been suggested to have some potential hair growth-promoting effects. It may help to stimulate the growth of new hair follicles and promote healthy hair growth. However, more research is needed to confirm these effects and to determine the optimal way to use squalene for hair care. In the meantime, maintaining a healthy diet that includes a sufficient intake of vitamins and minerals is generally the best way to support healthy hair growth.

EUK-134 is a synthetic compound that has been shown to have antioxidant and anti-inflammatory properties. It is a spin-trap, which means that it is able to neutralize free radicals and help to prevent oxidative stress in cells. EUK-134 has been suggested to have a number of potential health benefits, including the ability to protect against cardiovascular disease, neurodegeneration, and cancer. It has also been suggested to have potential skin care benefits, including the ability to protect the skin from environmental stressors such as UV radiation and pollution, and to improve the appearance of fine lines and wrinkles. However, more research is needed to confirm these effects and to determine the optimal way to use EUK-134 in skin care products.

There is limited information available about the potential benefits of EUK-134 for the hair. EUK-134 is a potent antioxidant that has been suggested to have protective effects against oxidative stress in cells. As such, it may be able to protect the hair and scalp from oxidative damage and promote healthy hair growth.  All hair can undergo oxidative stress, and people with hair loss have even more of this present.  However, more research is needed to confirm these effects and to determine the optimal way to use EUK-134 for hair care.

Caffeine is a stimulant that is found in coffee, tea, and a number of other foods and beverages. It has a number of potential benefits for the hair and scalp.

Caffeine has been suggested to stimulate hair growth by increasing the production of keratin, a protein that is a major component of hair. It may also help to improve blood flow to the scalp, which can stimulate hair growth and promote healthy hair. Caffeine has also been shown to have antioxidant properties, which may help to protect the hair and scalp from oxidative damage.

Shampoo Five and Roots Shampoo contain caffeine as an active ingredient, and are useful for people who are looking to stimulate hair growth and improve the overall health of their hair.