Here's how I do it. Some of the products have changed and what I realized that once you determine your own personal "recipe" you're good to go. For instance - I realized recently that I can get the exact same look - better even - by using only certain gels (L'oreal Anti-Frizz and Lasting Curls) and a good heavy serum. I can do without the JF product now, so I use it when I have and don't when I don't. It's all trial and error, but this should give you a starting point. The point is don't get hung up in the products....just follow the basic recipe and technique and tweak as needed.
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The primary ingredients for a natural looking curl on relaxed hair are: (Tracy)
conditioner
Styling Cream of Gel mixed with serum
Curl spray
Serum
Some people may not need the styling creme or gel and the curl spray together. I can do without the styling creme, or the spray in a pinch for instance. I usually need either spray ir gel or mousse to help encourage the curl tho, no matter what.
The products I use to achieve my curl vary, but for the most part I use the following:
Any leave in or midweight rinse out conditioner will do. Lately, I've had fab results with Sebastian Moisture Base (update: thanks to Southerngirl I use MNT almost exclusively now). Again, any conditioner that you like that isn't too heavy and doesn't have too many cones will work. I wouldn't go for instance with a cholesterol conditioner.
I religiously use and will never give up John Frieda Dream Curls. That's the curl spray that does the trick on my hair. A good gel that has a similar purpose is KMS curling balm (or the two I mentioned in the intro). Either will affect the same results - to encourage and hold the curl in the hair minus crunch (a determining factor for me). If you have a hard time with the sprays and gels some people's hair responds better to non-alcohol mousse. John Frieda's Frizz Ease line has one that is superior. Point? You need something to encourage the curl. To avoid crunch, be sure to use enough serum at the right times in the process.
The styling cremes (I like Salon Selectives Loosely Defined and my favorite is L'oreal UnFrizz Taming Creme) are optional but they give a nice finished look and some control if your hair tends to get too big as it dries.
The serum is key. I've experimented a lot and you need a good thick one. I like Keracare's Silken Seal. It should go after the conditioner and the creme's but before the spray. The product encouraging the curl should be the last to go on.
The rest is in the technique. I lightly wrap a towel around my head after washing just so it's not soaking wet. A minute or two - tops. Then I apply a tablespoon size of conditioner and styling creme or gel mixed with about the same amount of serum. Then I tie my edges with a satiny rectangular shaped scarf (I mention the shape only because it should extend back toward the crown only about 2-3 inches - otherwise the top of the hair will be flat). I leave the scarf on until it's mostly dry and to the area that's left free I apply the curl spray liberally and then the serum.
Then I DO NOT TOUCH IT, DO NOT TOUCH IT, DO NOT TOUCH IT (can you tell this is important?) until it's 75% dry. It should feel slightly damp but mostly dry to the touch. At that point I lightly gather just the tips of my hair in my fists and squeeze gently. That helps encourage the curl on the strands that aren't going with the flow. It helps to bend over and let gravity help separate the strands from one another to give a nice, full appearance.
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My EXACT products and combos look like this now: TBS of conditioner, TBS each of Loreal Lasting Curls and Serum mixed together and than a TBS each of AntiFrizz and serum mixed together. I leave the scarf til the end now too, after I've applied all my product. I find I get better coverage this way.
HTH.