Pine Bark Extract is extracted from pine bark in a class of substances. The pine bark stripped from the trees are harvested, and extracted. Which contains known as OPCs (oligomeric proanthocyanidins) compounds. Ever since the French scientist Dr. Jack Masquelier in 1947 Skye Dr Lee isolated OPCs from peanut shells since, OPCs have been found in many plants. In their large study that, OPCs as effective anti-oxidant, and non-toxic, non-mutagenic, non-carcinogenic, no side effects. Use is very safe. Pine bark has been proven to be a new source of OPCs from pine bark extract OPCs both in quality and functionality are not any different, but look, there are some minor differences.

Pine Bark Extract
Latin name: Pinus massoniana Lamb
Chinese Name: Pine Bark
Section: Pinaceae
Are: Pinus
Using the site: skin

Security:
OPCs have been many tests of their safety was considered to be non-toxic. Very few side effects, but also found a slight chance of allergic reactions and indigestion. In any case, the young, pregnant or postpartum women and other patients with kidney disease not yet established a safe dose.
When high doses, OPCs may have some anticoagulant properties, and only under medical supervision can be used as the blood thinner drug use. When the use of the (warfarin), heparin, look Trental (pentoxifylline), or aspirin, large doses of OPCs may lead to massive bleeding risk.
Chemical composition:
  This product is oligomeric proanthocyanidins (OPCS) composition,
Chemical structure is as follows:
(C30H26O12) nnn = 2 ~ 4 (C44H32O12) n n = 2 ~ 4