Your natural lashes

These are some relevant facts about your natural eyelashes.

  • Eyelashes are relatively coarse hairs, which is why they maintain their length and curl. The eyelashes on the upper eyelid are coarser and longer than the eyelashes on the lower eyelid.
  • Eyelashes are made of keratin (the same material as the nails and the outer skin).
  • Eyelashes grow in rows along the outer section of the eyelids. There can be 3 to 5 rows.
  • There are usually between 90 and 160 lashes on the upper lid.
  • There are usually between 75 and 80 lashes on the lower lid.
  • Eyelashes on the upper eyelid grow to between 7 and 9 mm in length.
  • Eyelashes grow for approximately 30 days. They then stay unchanging for about 60 days (the time when eyelash extensions can be added to them).
  • The natural lifespan of every eyelash is approximately 90 day (three months). Then it drops out and is replaced by a new one, which will grow in its place. And that one will go through the same process.
  • So, if a healthy lash is plucked or damaged it may take up to 90 days to grow back.
  • When an eyelash drops out as part of this natural cycle, the eyelash extension attached to it is lost as well. Eventually, gaps will show and, if you wish to maintain the full effect of having extension eyelashes, you need to have ‘infills’ every 2-3 weeks. See ‘Infills’.


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