Blackheads are small dark spots caused by a small plug in the opening of pores on the skin.
Being a type of acne vulgaris, these large pores blackheads occur due to excess oils accumulated in the sebaceous gland's duct.
  Below You Will Find The Most Common Causes Of Large Pores Blackheads Which Are Medically Called "Open Comedo":

• Oily or combined skin type
• Improper skin care
• Clogged pores
• Use of excessive oil or makeup
• Allergic reactions
• Hormonal changes
• Stress
• Improper metabolism
• Infection
• Unhealthy nutrition
• Menstrual cycle
• Excessive smoking
• And much more.
  

Solution for Large Pores, Blackheads  You need to use a complex solution that will fight against whiteheads and blackheads both externally and internally.
Such ideal solution should include organic facial wash remedy, herbal pills and special facial cream for further defense.
  Here are my practical tips for choosing the best product against large pores and blackheads:   1.
    Ensure that the product you are going to use on a regular basis, is safe for health of your skin.
Remember your skin is a sensitive organ of your body which requires thorough care.
Therefore avoid using remedies containing harmful chemicals that may damage your skin.
  2.
    Especially do not buy any remedy which contains Benzoyl Peroxide - harsh chemical that can seriously harm your skin.
Also ensure it has a concentration of salicylic acid not more than 1.
5% or 2% which is safe and effective for the treatment of acne.
  An ideal pore minimize must remove excessive oil and never cause shiny skin.
Therefore buy only oil free products with moisturizing property, which protect skin from drying out and keeps pores clear throughout a day.