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Guest Michael Jackson

other acids like aha

Guest Michael Jackson

Alpha-hydroxy Acids (AHAs)

Over-the-counter skin care products containing alpha-hydroxy acids (glycolic, lactic, tartaric and citric acids) have become increasingly popular over the last five years. In the U.S. alone, there are over 200 manufacturers of skin care products containing alpha-hydroxy acids. Creams and lotions with alpha-hydroxy acids may help with fine lines, irregular pigmentation and age spots, and may help decrease enlarged pores. Side effects of alpha-hydroxy acids include mild irritation and sun sensitivity. For that reason, sunscreen also should be used every morning. To help avoid skin irritation with alpha-hydroxy acids, it is advisable to start with a product with low concentrations of AHA Also, make sure you ease into it. You want to get your skin used to alpha-hydroxy acids, so you should only initially apply the skin care product every other day, gradually working up to daily application.

Beta-hydroxy Acid (Salicylic Acid)

Salicylic acid also has been studied for its effect on skin that has aged prematurely due to exposure to ultraviolet rays from the sun. It exfoliates skin, and can improve the texture and color of the skin. It penetrates oil-laden hair follicle openings and, as a result, also helps with acne. There are many skin care products available that contain salicylic acid. Some are available over-the-counter and others require a doctor's prescription. Studies have shown that salicylic acid is less irritating than skin care products containing alpha-hydroxy acids, while providing similar improvement in skin texture and color.

Hydroquinone

Skin care products containing hydroquinone are popularly referred to as bleaching creams or lightening agents. These skin care products are used to lighten hyperpigmentation, such as age spots and dark spots related to pregnancy or hormone therapy (melasma or chloasma). Some over-the-counter skin care products contain hydroquinone, but your doctor can also prescribe a solution with a higher concentration of hydroquinone if your skin doesn't respond to over- the-counter treatments. If you are allergic to hydroquinones, you can use products containing kojic acid instead.

Kojic Acid

Kojic acid is a more recent remedy for the treatment of pigment problems and age spots. Discovered in 1989, kojic acid has a similar effect as hydroquinone. Kojic acid is derived from a fungus, and studies have shown that it is effective as a lightening agent, inhibiting production of melanin (brown pigment).

Retinol

This is a derivative of vitamin A, and you will see that a lot of skin care products contain retinol. Retinol's stronger counterpart is tretinoin, which is the active ingredient in Retin-A and Renova. If your skin is too sensitive to use Retin-A, retinol is an excellent alternative. Here's why skin responds to skin care products with retinol: vitamin A has a molecular structure that's tiny enough to get into the lower layers of skin, where it finds collagen and elastin. Retinol is proven to improve mottled pigmentation, fine lines and wrinkles, skin texture, skin tone and color, and your skin's hydration levels.You may also hear about retinyl palmitate. This falls into the same family as retinol, but if the skin care product you choose contains retinyl palmitate, you will need to use more of this product than one that contains retinol to get the same effect.

Vitamin C

Vitamin C is the only antioxidant that is proven to stimulate the synthesis of collagen, which is essential since your body's natural collagen production decreases as you age. Sun exposure will also accelerate the decrease in collagen. Studies have shown that vitamin C helps to minimize fine lines, scars, and wrinkles.

It is important to be choosy when selecting a vitamin C product. Vitamin C in its most commonly found forms is highly unstable when exposed to oxygen, making it useless. Also, many topical vitamin C preparations do not penetrate the skin enough to make a difference.

If you are considering using a topical vitamin C preparation, ask your dermatologist which product will be the most effective for you.

Hyaluronic Acid

Skin care products containing this substance are often used in conjunction with vitamin C products to assist in effective penetration. Hyaluronic acid (also known as a glycosaminoglycan) is often touted for its ability to "reverse" or stop aging. In news reports, you might have heard of hyaluronic acid as the "key to the fountain of youth." This is because the substance occurs naturally (and quite abundantly) in humans and animals, and is found in young skin, other tissues. and joint fluid. Hyaluronic acid is a component of the body's connective tissues, and is known to cushion and lubricate. As you age, however, the forces of nature destroy hyaluronic acid. Diet and smoking can also affect your body's level of hyaluronic acid over time. Skin care products with hyaluronic acid are most frequently used to treat wrinkled skin.

Copper Peptide

Copper peptide is often referred to as the most effective skin regeneration product, even though it's only been on the market since 1997. Here's why: Studies have shown that copper peptide promotes collagen and elastin production, and also acts as an antioxidant. It also promotes production of glycosaminoglycans (think hyaluronic acid, as an example). Studies have also shown that copper-dependent enzymes increase the benefits of the body's natural tissue building processes. The substance helps to firm, smooth, and soften skin, doing it in less time than most other anti-aging skin care products. Clinical studies have found that copper peptides also remove damaged collagen and elastin from the skin and scar tissue because they activate the skin's system responsible for those functions.

Alpha-Lipoic Acid

You may have heard of alpha-lipoic acid as "the miracle in a jar" for its anti-aging effects. It's a newer, ultra-potent antioxidant that helps fight future skin damage and helps repair past damage. Alpha-lipoic acid has been referred to as a "universal antioxidant" because it's soluble in both water and oil, which permits its entrance to all parts of the cell. Due to this quality, it is believed that alpha-lipoic acid can provide the greatest protection against damaging free radicals when compared with other antioxidants. Alpha-lipoic acid diminishes fine lines, gives skin a healthy glow and boosts levels of other antioxidants, such as vitamin C.

DMAE (Dimethylaminoethanol)

If you've heard of fish referred to as brain food, you can thank DMAE. This substance is naturally produced in the brain, but DMAE is also present in anchovies, salmon and sardines, boasting the production of acetylcholine, which is important for proper mental functions. DMAE in skin care products shows remarkable effects when applied topically to skin, resulting in the reduction of fine lines and wrinkles.

Alpha-hydroxy Acids (AHAs)

Over-the-counter skin care products containing alpha-hydroxy acids (glycolic, lactic, tartaric and citric acids) have become increasingly popular over the last five years. In the U.S. alone, there are over 200 manufacturers of skin care products containing alpha-hydroxy acids. Creams and lotions with alpha-hydroxy acids may help with fine lines, irregular pigmentation and age spots, and may help decrease enlarged pores. Side effects of alpha-hydroxy acids include mild irritation and sun sensitivity. For that reason, sunscreen also should be used every morning. To help avoid skin irritation with alpha-hydroxy acids, it is advisable to start with a product with low concentrations of AHA Also, make sure you ease into it. You want to get your skin used to alpha-hydroxy acids, so you should only initially apply the skin care product every other day, gradually working up to daily application.

Beta-hydroxy Acid (Salicylic Acid)

Salicylic acid also has been studied for its effect on skin that has aged prematurely due to exposure to ultraviolet rays from the sun. It exfoliates skin, and can improve the texture and color of the skin. It penetrates oil-laden hair follicle openings and, as a result, also helps with acne. There are many skin care products available that contain salicylic acid. Some are available over-the-counter and others require a doctor's prescription. Studies have shown that salicylic acid is less irritating than skin care products containing alpha-hydroxy acids, while providing similar improvement in skin texture and color.

Hydroquinone

Skin care products containing hydroquinone are popularly referred to as bleaching creams or lightening agents. These skin care products are used to lighten hyperpigmentation, such as age spots and dark spots related to pregnancy or hormone therapy (melasma or chloasma). Some over-the-counter skin care products contain hydroquinone, but your doctor can also prescribe a solution with a higher concentration of hydroquinone if your skin doesn't respond to over- the-counter treatments. If you are allergic to hydroquinones, you can use products containing kojic acid instead.

Kojic Acid

Kojic acid is a more recent remedy for the treatment of pigment problems and age spots. Discovered in 1989, kojic acid has a similar effect as hydroquinone. Kojic acid is derived from a fungus, and studies have shown that it is effective as a lightening agent, inhibiting production of melanin (brown pigment).

Retinol

This is a derivative of vitamin A, and you will see that a lot of skin care products contain retinol. Retinol's stronger counterpart is tretinoin, which is the active ingredient in Retin-A and Renova. If your skin is too sensitive to use Retin-A, retinol is an excellent alternative. Here's why skin responds to skin care products with retinol: vitamin A has a molecular structure that's tiny enough to get into the lower layers of skin, where it finds collagen and elastin. Retinol is proven to improve mottled pigmentation, fine lines and wrinkles, skin texture, skin tone and color, and your skin's hydration levels.You may also hear about retinyl palmitate. This falls into the same family as retinol, but if the skin care product you choose contains retinyl palmitate, you will need to use more of this product than one that contains retinol to get the same effect.

Vitamin C

Vitamin C is the only antioxidant that is proven to stimulate the synthesis of collagen, which is essential since your body's natural collagen production decreases as you age. Sun exposure will also accelerate the decrease in collagen. Studies have shown that vitamin C helps to minimize fine lines, scars, and wrinkles.

It is important to be choosy when selecting a vitamin C product. Vitamin C in its most commonly found forms is highly unstable when exposed to oxygen, making it useless. Also, many topical vitamin C preparations do not penetrate the skin enough to make a difference.

If you are considering using a topical vitamin C preparation, ask your dermatologist which product will be the most effective for you.

Hyaluronic Acid

Skin care products containing this substance are often used in conjunction with vitamin C products to assist in effective penetration. Hyaluronic acid (also known as a glycosaminoglycan) is often touted for its ability to "reverse" or stop aging. In news reports, you might have heard of hyaluronic acid as the "key to the fountain of youth." This is because the substance occurs naturally (and quite abundantly) in humans and animals, and is found in young skin, other tissues. and joint fluid. Hyaluronic acid is a component of the body's connective tissues, and is known to cushion and lubricate. As you age, however, the forces of nature destroy hyaluronic acid. Diet and smoking can also affect your body's level of hyaluronic acid over time. Skin care products with hyaluronic acid are most frequently used to treat wrinkled skin.

Copper Peptide

Copper peptide is often referred to as the most effective skin regeneration product, even though it's only been on the market since 1997. Here's why: Studies have shown that copper peptide promotes collagen and elastin production, and also acts as an antioxidant. It also promotes production of glycosaminoglycans (think hyaluronic acid, as an example). Studies have also shown that copper-dependent enzymes increase the benefits of the body's natural tissue building processes. The substance helps to firm, smooth, and soften skin, doing it in less time than most other anti-aging skin care products. Clinical studies have found that copper peptides also remove damaged collagen and elastin from the skin and scar tissue because they activate the skin's system responsible for those functions.

Alpha-Lipoic Acid

You may have heard of alpha-lipoic acid as "the miracle in a jar" for its anti-aging effects. It's a newer, ultra-potent antioxidant that helps fight future skin damage and helps repair past damage. Alpha-lipoic acid has been referred to as a "universal antioxidant" because it's soluble in both water and oil, which permits its entrance to all parts of the cell. Due to this quality, it is believed that alpha-lipoic acid can provide the greatest protection against damaging free radicals when compared with other antioxidants. Alpha-lipoic acid diminishes fine lines, gives skin a healthy glow and boosts levels of other antioxidants, such as vitamin C.

DMAE (Dimethylaminoethanol)

If you've heard of fish referred to as brain food, you can thank DMAE. This substance is naturally produced in the brain, but DMAE is also present in anchovies, salmon and sardines, boasting the production of acetylcholine, which is important for proper mental functions. DMAE in skin care products shows remarkable effects when applied topically to skin, resulting in the reduction of fine lines and wrinkles.

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i find it wierd that this says that bhas are less irritating than ahas. I have read in several places that it is the other way around.

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Guest Michael Jackson

I think it is that way too. I just wanted some thoughts on this.

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BHA's may be less iirritating that AHA's cause AHA's dislodge living skin cells whereas BHA's did deep in the poors and remove dead skin cells.

so in theory they are more irritating, but i them bother the same really, my GA has a long term effect while my SA toner has the short term results.

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Most salicyclic acid products aren't at the proper pH to be effective, including the vast majority of acne lotions and washes. You're going to have a much easier time finding an effective AHA product than an effective BHA product. I don't think BHA products are inherently more irritating than AHA's and possibly even less so as the above claims, though, but when you are using benzoyl peroxide at the same time, BHAs are definitely more irritating than AHA's. I would definitely not want BHA and BP on my skin simultaneously. Same goes with retinols and tretinoin prescriptions.

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