Brazilian Keratin Treatment Ruining Curly Hair?

comparative table of the years and ages


1982 - *
1983-1
1984-2
1985-3
1986 - 4
1987-5
1988-6
1989-7
1990-8
1991-9
1992-10
1993-11
1994-12
1995-13
1996-14
1997-15
1998 - 16
1999 - 1917
2000 - 1918
2001 - 1919
2002 - 20
2003 - 1921
2004 - 1922
2005 - 1923
2006 - 1924
2007 - 25
2008 - 1926
2009 - 1927
2010 - 1928
2011 - 1929