Placenta Plus is a hair treatment product that contains placenta extract as one of its ingredients. Here are some details about Placenta Plus for hair growth based on the search results:

Product Details:

• HASK Placenta Plus Olive Oil Leave-in Instant Conditioning Treatment HP-34103 is a leave-in conditioning treatment that revitalizes and protects every hair type.
• HNP Placenta Super Strength Leave-in Conditioning Hair Treatment Pump, 5 Oz is a leave-in conditioning hair treatment that is infused with animal placenta extract.
• Placenta Plus is a brand that offers a wide selection of quality products, but the specific details of their Placenta Plus hair treatment product are not provided on their website.

Positive Effects:

• Placenta extract has been shown to improve androgenetic alopecia (AGA) by inducing the anagen phase and increasing hair follicle density and size.
• Cow placenta extract has been found to promote murine hair growth through enhancing the insulin-like growth factor-1.

Negative Effects:

• There is no information available on any negative effects of Placenta Plus for hair growth.

Ingredients or Materials:

• Placenta extract is one of the ingredients in Placenta Plus for hair growth.
• Other ingredients or materials used in Placenta Plus are not specified in the search results.

In summary, Placenta Plus is a hair treatment product that contains placenta extract as one of its ingredients. Placenta extract has been shown to have positive effects on hair growth, but there is no information available on any negative effects of Placenta Plus. The specific details of the products ingredients or materials are not provided in the search results.