Abstract
Background: Nanotechnology-based polyherbal drug delivery systems are considered a new and rapidly emerging area in the pharmaceutical field. They improved the drug loading capacity or enhanced encapsulation efficiency of herbal drugs and thus improved permeation efficiency, accelerated wound healing, promoted tissue remodelling, and reduced scarring.
Objective: A wound on the skin is an injury of the skin tissues that arises due to a cut or damage and also by an impact, blow, or other forces like a cut, surgery, chemical, heat, cold, friction, or illness like leg ulcers or carcinomas. These wounds result in the loss of skin's protective function by the removal of epithelium or connective tissues (i.e., muscle, bone, nerves). The four sequential but overlapping phases of the typical wound healing process are hemostasis, inflammation, proliferation, and remodeling. By encouraging the growth and movement of fibroblasts and keratinocytes, as well as angiogenesis at the site of damage, it has been demonstrated that a polyherbal mixture composed of plant extraction accelerates the lesion recovery process. Polyherbal formulations contain phytoconstituents such as triterpenoids, flavonoids, coumarins, quinones, and carotenoids etc. All these phytoconstituents are used for anti-inflammatory, anti-microbial, antioxidant, and lesion recovery. At the same time, nanotechnology-based polyherbal formulation has the potential to overcome the limitations of traditional polyherbal formulation in wound healing. Wounds are better managed by polyherbal combination rather than an individual plant due to its synergism and fewer side effects. To include these polyherbal components and deliver them to the wound site in a more focused and sustained way, novel drug delivery systems are also being developed.
Conclusion: This review discussed many nanotechnology-based polyherbal topical formulations for efficient and faster wound healing and recovery. Nanotechnology-based polyherbal formulations prove their success in promoting wound healing which is a unique approach to improving wound care and development of healthy skin.
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