What is the USES & EFFECTIVENESS of polypodium leucotomos extract?

We have the Insufficient Evidence for:

1)Psoralen-UVA (PUVA) light exposure damage. Psoralen is a medication for a skin condition called psoriasis. Exposure to UV light makes psoralen work better in some patients. This combination treatment is called PUVA. There is some evidence that taking a specific Polypodium leucotomos extract (Fernblock by Cantabria Farmaceutica) before PUVA treatment can reduce skin redness and signs of light damage. Polypodium leucotomos also seems to decrease skin darkening that happens to some people after PUVA treatment. Early research also suggests that taking a specific Polypodium leucotomos extract (Difur by Cantabria Farmaceutica) or applying a lotion containing Polypodium leucotomos extract before light exposure might decrease skin damage in people with psoralen-sensitized skin.

2)Psoriasis. Some evidence suggests that taking Polypodium leucotomos extracts might improve symptoms of severe psoriasis.
Sunburn. Early research suggests that taking a specific Polypodium leucotomos extract (Fernblock by Cantabria Farmaceutica) before sun exposure can reduce reddening of the skin and signs of skin damage. Early research also suggests that taking a specific Polypodium leucotomos extract (Difur by Cantabria Farmaceutica) or applying a lotion containing Polypodium leucotomos before sun exposure might decrease sun damage. Clinical studies on sunburn and sun damage have used a specific extract of Polypodium leucotomos (Fernblock by Cantabria Farmaceutica). This extract is used in Heliocare brand name products.

3)Psoriasis. Some evidence suggests that taking Polypodium leucotomos extracts might improve symptoms of severe psoriasis.

Sunburn. Early research suggests that taking a specific Polypodium leucotomos extract (Fernblock by Cantabria Farmaceutica) before sun exposure can reduce reddening of the skin and signs of skin damage. Early research also suggests that taking a specific Polypodium leucotomos extract (Difur by Cantabria Farmaceutica) or applying a lotion containing Polypodium leucotomos before sun exposure might decrease sun damage. Clinical studies on sunburn and sun damage have used a specific extract of Polypodium leucotomos (Fernblock by Cantabria Farmaceutica). This extract is used in Heliocare brand name products.

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