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Dr. Teo Soleymani

๐Ÿ‘ค Speaker
1896 total appearances

Appearances Over Time

Podcast Appearances

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

So when we think about the scalp, when we think about dry or flaky scalp, we think about two main conditions, either seborrheic dermatitis, which is medical grade dandruff, or the medical name for dandruff, or psoriasis. They're two different entities, but they generally contribute to the same problem, which is redness, flaking, and dryness of the scalp.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

So when we think about the scalp, when we think about dry or flaky scalp, we think about two main conditions, either seborrheic dermatitis, which is medical grade dandruff, or the medical name for dandruff, or psoriasis. They're two different entities, but they generally contribute to the same problem, which is redness, flaking, and dryness of the scalp.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

Now it's important to note that the hair on your head is dead. It's not alive. The only area that's alive is two and a half millimeters in the skin. So the hair that we see on our scalp is not a living entity. So there's a common misconception that you can affect the, health or quality of your hair by putting things on the hair. And I'll go into that in just a minute.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

Now it's important to note that the hair on your head is dead. It's not alive. The only area that's alive is two and a half millimeters in the skin. So the hair that we see on our scalp is not a living entity. So there's a common misconception that you can affect the, health or quality of your hair by putting things on the hair. And I'll go into that in just a minute.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

Now it's important to note that the hair on your head is dead. It's not alive. The only area that's alive is two and a half millimeters in the skin. So the hair that we see on our scalp is not a living entity. So there's a common misconception that you can affect the, health or quality of your hair by putting things on the hair. And I'll go into that in just a minute.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

But the hair itself that you see is not living. The only area that's living are the stem cells in the papilla of the hair and in the bulge region of the hair, which reside in the skin. So nothing that you put on your scalp will make you lose your hair, will make you grow new hair for the most part. Why that's important? When we treat dry or flaky scalp, we treat it with several things.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

But the hair itself that you see is not living. The only area that's living are the stem cells in the papilla of the hair and in the bulge region of the hair, which reside in the skin. So nothing that you put on your scalp will make you lose your hair, will make you grow new hair for the most part. Why that's important? When we treat dry or flaky scalp, we treat it with several things.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

But the hair itself that you see is not living. The only area that's living are the stem cells in the papilla of the hair and in the bulge region of the hair, which reside in the skin. So nothing that you put on your scalp will make you lose your hair, will make you grow new hair for the most part. Why that's important? When we treat dry or flaky scalp, we treat it with several things.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

The most common cause is an overgrowth of yeast from the sweat and oil that is produced from our scalp. And that's seborrheic dermatitis. That's the medical name for dandruff. And so we treat it by one, lowering the amount of that yeast that's living. And that's usually with shampoos. that are prescription or over-the-counter. Things like zinc or ketoconazole shampoos are very common things.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

The most common cause is an overgrowth of yeast from the sweat and oil that is produced from our scalp. And that's seborrheic dermatitis. That's the medical name for dandruff. And so we treat it by one, lowering the amount of that yeast that's living. And that's usually with shampoos. that are prescription or over-the-counter. Things like zinc or ketoconazole shampoos are very common things.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

The most common cause is an overgrowth of yeast from the sweat and oil that is produced from our scalp. And that's seborrheic dermatitis. That's the medical name for dandruff. And so we treat it by one, lowering the amount of that yeast that's living. And that's usually with shampoos. that are prescription or over-the-counter. Things like zinc or ketoconazole shampoos are very common things.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

And then the other thing that we do is to dampen the immune response to this overgrowth of yeast. So the reason our skin flakes and gets red and proliferates is our immune system's responding to something. It's either responding to the yeast or it's responding to itself, which is what psoriasis is.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

And then the other thing that we do is to dampen the immune response to this overgrowth of yeast. So the reason our skin flakes and gets red and proliferates is our immune system's responding to something. It's either responding to the yeast or it's responding to itself, which is what psoriasis is.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

And then the other thing that we do is to dampen the immune response to this overgrowth of yeast. So the reason our skin flakes and gets red and proliferates is our immune system's responding to something. It's either responding to the yeast or it's responding to itself, which is what psoriasis is.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

It's an immune-mediated overproliferation of skin cells because the immune system is overactive in the skin. And the way we treat that is just topicals or certain medications that suppress the skin's immune system or immune activity. None of that affect the actual hair itself. What does happen is shampoos tend to have things that strip oils as a mechanism of cleaning.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

It's an immune-mediated overproliferation of skin cells because the immune system is overactive in the skin. And the way we treat that is just topicals or certain medications that suppress the skin's immune system or immune activity. None of that affect the actual hair itself. What does happen is shampoos tend to have things that strip oils as a mechanism of cleaning.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

It's an immune-mediated overproliferation of skin cells because the immune system is overactive in the skin. And the way we treat that is just topicals or certain medications that suppress the skin's immune system or immune activity. None of that affect the actual hair itself. What does happen is shampoos tend to have things that strip oils as a mechanism of cleaning.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

So when you take a cross section of the hair, there's seven layers. And the layer that provides that color, sheen, and structure is called the cuticle. As we age, we lose the cuticle. And that's a common problem, what we see in male and female pattern hair loss or androgenetic alopecia is we lose that cuticle, which makes us lose the shine and the structure and the strength of our hair.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

So when you take a cross section of the hair, there's seven layers. And the layer that provides that color, sheen, and structure is called the cuticle. As we age, we lose the cuticle. And that's a common problem, what we see in male and female pattern hair loss or androgenetic alopecia is we lose that cuticle, which makes us lose the shine and the structure and the strength of our hair.

Huberman Lab
How to Improve & Protect Your Skin Health & Appearance | Dr. Teo Soleymani

So when you take a cross section of the hair, there's seven layers. And the layer that provides that color, sheen, and structure is called the cuticle. As we age, we lose the cuticle. And that's a common problem, what we see in male and female pattern hair loss or androgenetic alopecia is we lose that cuticle, which makes us lose the shine and the structure and the strength of our hair.