The Gray Coverage Kit
The GreyCover plan for coloring gray safely and less often, or growing it out on a date you choose
GreyCover's calculators each answer one part of coloring gray at home: a kind of color, a developer, the grams, a touch-up date and a grow-out year. None of them meets the others. Two start from a growth rate of 1.25 cm a month that you have probably never measured, the touch-up scheduler starts from a root line nobody chose on purpose, and none of them puts a patch test on the calendar. The Gray Coverage Kit joins them into one plan. It measures your own growth rate from three readings, sets the developer by what your product allows and never stronger, mixes one coloring's bowl, and puts the allergy patch test 48 hours before every coloring. Then it turns the root line you accept into colorings, patch tests and money a year: on the worked example, a 1 cm line at 1.3 cm a month is 17 colorings a year and a 2 cm line is 8, with the same color. And it sets a grow-out date by the length you keep: 20 cm takes 15.4 months, keeping half takes 7.7. Every figure is computed by GreyCover's own calculators; the worked numbers are examples and are tagged as such, and the product's instructions always come first. It is not medical advice and says nothing about why hair grays. Included: 7 steps with named rules, a rate and patch test log, a coloring card, a grow-out tracker, reference tables and a quickstart, plus a personalised sheet worked out from the numbers you enter in the calculators.
What’s inside
- The Measured Rate Rule: three regrowth readings four weeks after coloring, turned into your own growth rate
- The Product Wins Rule: the kind of color by gray share and texture, and a developer never stronger than your product allows
- The Half-the-Bowl Rule: the color, the two shades of a blend and the developer, in grams, for one coloring
- The 48-Hour Rule: an allergy patch test on the calendar 48 hours before every coloring
- The Root Line Rule: every root line's calendar interval, colorings and patch tests a year, and cost
- The Cut Rule: the grow-out date for each length you keep, with the milestones
- The Same Months Rule: keeping the color and growing it out side by side over the same weeks
- A printable rate and patch test log, a coloring card and a grow-out tracker
- Reference tables: developer volume and hydrogen peroxide, grow-out months by length and rate, root lines
- A quickstart that closes the loop on your starting scores
Run one of the free calculators first and buy from that page, and this sheet is computed from your own figures. Buy from here and the pack still arrives complete — the sheet simply has no numbers of yours to work from yet.
14-day refund, no questions asked. If the pack is not what you needed, email support@graburl.com and we refund you in full — you do not have to justify it or delete the file. Full policy.
$19.00 including any taxes · PDF, 23 pages · instant download, link valid 7 days and 5 downloads.
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Refund policy · Terms of sale · support@graburl.com

